patch update - fix sunlight shader

Prend en compte les paramètres direction et intensité

enginecustom/sunlight.vs

@@ -37,8 +37,6 @@ struct PixelInputType
     float4 position : SV_POSITION;
     float2 tex : TEXCOORD0;
     float3 normal : NORMAL;
-    float3 lightDir : TEXCOORD1;
-    float intensity : TEXCOORD2;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -65,10 +63,5 @@ PixelInputType SunLightVertexShader(VertexInputType input)
     // Normalize the normal vector.
     output.normal = normalize(output.normal);
 
-    // Use the light direction directly.
-    output.lightDir = normalize(lightDirection);
-    
-    output.intensity = intensity;
-
     return output;
 }