Revert "Minor - Start Shadow Map - V10.5.0"

This reverts commit d6b7626446.

enginecustom/src/hlsl/depth.vs

@@ -1,25 +0,0 @@
-cbuffer MatrixBuffer : register(b0)
-{
-    matrix world;
-    matrix view;
-    matrix projection;
-};
-
-struct VS_INPUT
-{
-    float3 position : POSITION;
-};
-
-struct VS_OUTPUT
-{
-    float4 position : SV_POSITION;
-};
-
-VS_OUTPUT DepthVertexShader(VS_INPUT input)
-{
-    VS_OUTPUT output;
-    float4 worldPosition = mul(float4(input.position, 1.0f), world);
-    float4 viewPosition = mul(worldPosition, view);
-    output.position = mul(viewPosition, projection);
-    return output;
-}