parser: enum_decl - remove redundant position variable

vlib/v/parser/parser.v

@@ -1890,7 +1890,6 @@ fn (mut p Parser) enum_decl() ast.EnumDecl {
 	}
 	p.check(.key_enum)
 	end_pos := p.tok.position()
-	name_pos := p.tok.position()
 	enum_name := p.check_name()
 	if enum_name.len == 1 {
 		p.error_with_pos('single letter capital names are reserved for generic template types.',
@@ -1962,7 +1961,7 @@ $pubfn (mut e  $enum_name) toggle(flag $enum_name)   { unsafe{ *e = int(*e) ^  (
 	})
 	if idx == -1 {
 		p.error_with_pos('cannot register enum `$name`, another type with this name exists',
-			name_pos)
+			end_pos)
 	}
 	return ast.EnumDecl{
 		name: name