Cleanup, code comments

data/shaders/negativeviewportheight/quad.frag

@@ -8,5 +8,4 @@ layout (location = 0) out vec4 outColor;
 void main() 
 {
 	outColor = texture(samplerColor, inUV);
-	outColor.rgb *= vec3(inUV, 0.0f);
 }

data/shaders/negativeviewportheight/quad.vert

@@ -7,8 +7,6 @@ layout (location = 0) out vec2 outUV;
 
 void main() 
 {
-//	outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
-//	gl_Position = vec4(outUV * 2.0f - 1.0f, 0.0f, 1.0f);
 	outUV = inUV;
 	gl_Position = vec4(inPos, 1.0f);
 }