remove unused postprocess material

materials/postprocess_uv.mat

@@ -1,38 +0,0 @@
-material {
-    name : TextureProjectionPostProcess,
-    depthWrite : false,
-    depthCulling : false,
-    parameters : [
-        {
-            type : sampler2d,
-            name : rendered
-        },
-        {
-            type : sampler2d,
-            name : uvTexture
-        }
-    ],
-    variables : [
-        footex
-    ],
-    domain: postprocess,
-    outputs : [ {
-            name : foocolor,
-            target : color,
-            type : float4
-        }],
-    featureLevel : 0
-}
-
-vertex {
-    void postProcessVertex(inout PostProcessVertexInputs postProcess) {
-        postProcess.footex.xy = postProcess.normalizedUV;
-        postProcess.footex.xy = uvToRenderTargetUV(postProcess.footex.xy);
-    }
-}
-
-fragment {
-    void postProcess(inout PostProcessInputs postProcess) {
-        postProcess.foocolor = vec4(1.0, 0.0, 0.0, 1.0); //vec4(variable_footex.xyz, 1.0f);
-    }
-}