compiler: remove debug prints

vlib/v/gen/cgen.v

@@ -3349,7 +3349,6 @@ fn (v &Gen) interface_table() string {
 			continue
 		}
 		info := t.info as table.Interface
-		println(info.gen_types)
 		// interface_name is for example Speaker
 		interface_name := t.name.replace('.', '__')
 		mut methods := ''

vlib/v/parser/struct.v

@@ -276,7 +276,6 @@ fn (mut p Parser) interface_decl() ast.InterfaceDecl {
 	for p.tok.kind != .rcbr && p.tok.kind != .eof {
 		line_nr := p.tok.line_nr
 		name := p.check_name()
-		println(name)
 		// field_names << name
 		args2, _ := p.fn_args()
 		mut args := [table.Arg{