Folders rename for consistency on shaders version

shaders/gl330/pixel.fs

@@ -1,28 +0,0 @@
-#version 330
-
-in vec2 fragTexCoord;
-
-out vec4 fragColor;
-
-uniform sampler2D texture0;
-uniform vec4 fragTintColor;
-
-// NOTE: Add here your custom variables 
-
-const float renderWidth = 1280.0;
-const float renderHeight = 720.0;
-
-uniform float pixelWidth = 5.0;
-uniform float pixelHeight = 5.0;
-
-void main()
-{
-    float dx = pixelWidth*(1.0/renderWidth);
-    float dy = pixelHeight*(1.0/renderHeight);
-
-    vec2 coord = vec2(dx*floor(fragTexCoord.x/dx), dy*floor(fragTexCoord.y/dy));
-
-    vec3 tc = texture(texture0, coord).rgb;
-
-    fragColor = vec4(tc, 1.0);
-}