Remove colorMap texture

Terrain2/Assets.xcassets/ColorMap.textureset/Contents.json

@@ -1,17 +0,0 @@
-{
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  },
-  "properties" : {
-    "origin" : "bottom-left",
-    "interpretation" : "non-premultiplied-colors"
-  },
-  "textures" : [
-    {
-      "idiom" : "universal",
-      "filename" : "Universal.mipmapset"
-    }
-  ]
-}
-

Terrain2/Assets.xcassets/ColorMap.textureset/Universal.mipmapset/Contents.json

@@ -1,12 +0,0 @@
-{
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  },
-  "levels" : [
-    {
-      "filename" : "ColorMap.png",
-      "mipmap-level" : "base"
-    }
-  ]
-}

Terrain2/Renderer.swift

@@ -34,7 +34,6 @@ class Renderer: NSObject, MTKViewDelegate {
     var pipelineState: MTLRenderPipelineState
     var normalPipelineState: MTLRenderPipelineState
     var depthState: MTLDepthStencilState
-    var colorMap: MTLTexture
 
     let inFlightSemaphore = DispatchSemaphore(value: maxBuffersInFlight)
     let regenerationSemaphore = DispatchSemaphore(value: 1)
@@ -104,13 +103,6 @@ class Renderer: NSObject, MTKViewDelegate {
         depthStateDesciptor.isDepthWriteEnabled = true
         self.depthState = device.makeDepthStencilState(descriptor:depthStateDesciptor)!
 
-        do {
-            colorMap = try Renderer.loadTexture(device: device, textureName: "ColorMap")
-        } catch {
-            print("Unable to load texture. Error info: \(error)")
-            return nil
-        }
-
         super.init()
     }
 
@@ -302,7 +294,6 @@ class Renderer: NSObject, MTKViewDelegate {
                     }
 
                     renderEncoder.setVertexTexture(terrain.generator.outTexture, index: 0)
-                    renderEncoder.setFragmentTexture(colorMap, index: TextureIndex.color.rawValue)
                     
                     for submesh in terrain.mesh.submeshes {
                         renderEncoder.drawIndexedPrimitives(type: submesh.primitiveType,