Folders rename for consistency on shaders version

shaders/gl330/predator.fs

@@ -1,27 +0,0 @@
-#version 330
-
-in vec2 fragTexCoord;
-
-out vec4 fragColor;
-
-uniform sampler2D texture0;
-uniform vec4 fragTintColor;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    vec3 color = texture(texture0, fragTexCoord).rgb;
-    vec3 colors[3];
-    colors[0] = vec3(0.0, 0.0, 1.0);
-    colors[1] = vec3(1.0, 1.0, 0.0);
-    colors[2] = vec3(1.0, 0.0, 0.0);
-    
-    float lum = (color.r + color.g + color.b)/3.0;
-    
-    int ix = (lum < 0.5)? 0:1;
-    
-    vec3 tc = mix(colors[ix], colors[ix + 1], (lum - float(ix)*0.5)/0.5);
-    
-    fragColor = vec4(tc, 1.0);
-}