gg: remove obsolete usages of `use_ortho: true`

examples/fireworks/fireworks.v

@@ -109,7 +109,6 @@ fn main() {
 		height: app.ui.height
 		window_title: 'Fireworks!'
 		bg_color: gx.black
-		use_ortho: true
 		user_data: app
 		frame_fn: on_frame
 		event_fn: on_event

examples/flappylearning/game.v

@@ -185,7 +185,6 @@ fn main() {
 		bg_color: gx.white
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'flappylearning-v'
 		frame_fn: frame

examples/game_of_life/life_gg.v

@@ -48,7 +48,6 @@ fn main() {
 		user_data: &app
 		width: screen_width
 		height: screen_height
-		use_ortho: true
 		create_window: true
 		resizable: false
 		window_title: 'v life (with gg, gx)'

examples/gg/raven_text_rendering.v

@@ -74,7 +74,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Empty window'
 		user_data: app

examples/gg/rectangles.v

@@ -23,7 +23,6 @@ fn main() {
 		bg_color: gx.white
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Rectangles'
 		frame_fn: frame

examples/gg/worker_thread.v

@@ -30,7 +30,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Counter'
 		user_data: app

examples/hot_reload/bounce.v

@@ -37,7 +37,6 @@ fn main() {
 		width: window_width
 		height: window_height
 		font_size: 20
-		use_ortho: true
 		user_data: game
 		window_title: 'Hot code reloading demo'
 		create_window: true

examples/hot_reload/graph.v

@@ -23,7 +23,6 @@ fn main() {
 		width: size
 		height: size
 		font_size: 20
-		use_ortho: true
 		user_data: context
 		window_title: 'Graph builder'
 		create_window: true

examples/snek/snek.v

@@ -211,7 +211,6 @@ fn main() {
 		user_data: &app
 		width: canvas_size
 		height: top_height + canvas_size
-		use_ortho: true
 		create_window: true
 		resizable: false
 		window_title: 'snek'

examples/sokol/01_cubes/cube.v

@@ -418,7 +418,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: '3D Cube Demo'
 		user_data: app

examples/sokol/02_cubes_glsl/cube_glsl.v

@@ -612,7 +612,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: '3D Cube Demo'
 		user_data: app

examples/sokol/03_march_tracing_glsl/rt_glsl.v

@@ -423,7 +423,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: '3D Ray Marching Cube'
 		user_data: app

examples/sokol/04_multi_shader_glsl/rt_glsl.v

@@ -619,7 +619,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: '3D Dual shader Cube - click and rotate with the mouse'
 		user_data: app

examples/sokol/05_instancing_glsl/rt_glsl.v

@@ -506,7 +506,6 @@ fn main(){
 	app.gg = gg.new_context({
 		width:         win_width
 		height:        win_height
-		use_ortho:     true // This is needed for 2D drawing
 		create_window: true
 		window_title:  'Instancing Cube'
 		user_data:     app

examples/sokol/06_obj_viewer/show_obj.v

@@ -323,7 +323,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'V Wavefront OBJ viewer - Use the mouse wheel to zoom'
 		user_data: app

examples/sokol/sounds/melody.v

@@ -44,7 +44,6 @@ fn main() {
 		bg_color: gx.rgb(50, 50, 50)
 		width: 1024
 		height: 400
-		use_ortho: true
 		create_window: true
 		window_title: 'ByteBeat Music'
 		frame_fn: graphics_frame

examples/tetris/tetris.v

@@ -167,7 +167,6 @@ fn main() {
 		bg_color: gx.white
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'V Tetris' //
 		user_data: game

examples/ttf_font/example_ttf.v

@@ -123,7 +123,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Test TTF module'
 		user_data: app

vlib/x/ttf/README.md

@@ -53,7 +53,7 @@ In this modue it is possible to have different renders running at the same time.
 At the present time all the rendering are made on the CPU, sokol is used only to draw the
 rendered text to the screen.
 Let's start with a simple snippet of code:
-```v ignore
+```v oksyntax
 import os
 import x.ttf
 [console]
@@ -70,7 +70,7 @@ This simple code load a TTF font and display its basic informations.
 ### draw_text
 The draw text function draw simple strings without indentation or other imagination tasks.
 At this point we can render a simple text:
-```v ignore
+```v oksyntax
 import os
 import x.ttf
 
@@ -122,7 +122,7 @@ Using the low level rendering you need to manage all the amenities like allocate
 memory and other tasks like calc the character dimensions.
 
 You can specify the style for the text rendering in the `BitMap` struct::
-```v ignore
+```v
 enum Style {
 	outline
 	outline_aliased
@@ -134,7 +134,7 @@ Use this level only if you want achieve particular result on text rendering.
 
 ### draw_text_block
 Draw text block draw a justified and indented block of multiline text in the bitmap.
-```v ignore
+```v oksyntax
 import os
 import x.ttf
 
@@ -186,7 +186,7 @@ But Vwill prevail for sure, V is the way!!
 ```
 This is the low level render that draw text block on the bitmap.
 A text block is defined from a `Text_block` struct:
-```v ignore
+```v
 struct Text_block {
 	x int // x postion of the left high corner
 	y int // y postion of the left high corner
@@ -196,7 +196,7 @@ struct Text_block {
 }
 ```
 and use the following bitmap fields:
-```v ignore
+```v oksyntax
 	style              Style      = .filled // default syle
 	align              Text_align = .left   // default text align
 	justify            bool				    // justify text flag, default deactivated
@@ -211,7 +211,7 @@ the text to the screen.
 It is mor esimpel to use in a `gg app` that the raw bitmap render.
 Each single text rendered need its own reder to be declared, after you can modify it.
 Here a simple example of the usage:
-```v ignore
+```v oksyntax
 import gg
 import gx
 import sokol.sapp
@@ -275,7 +275,6 @@ fn main(){
 	app.gg = gg.new_context({
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Test TTF module'
 		user_data: app