Implemented GetWorldSpaceNormalizeViewDir over GetWorldSpaceViewDir

ScriptableRenderPipeline/HDRenderPipeline/HDRP/ShaderVariablesFunctions.hlsl

 }
 
 // Computes the world space view direction (pointing towards the viewer).
-float3 GetWorldSpaceNormalizeViewDir(float3 positionWS)
-{
-    if (IsPerspectiveProjection())
-    {
-        // Perspective
-        float3 V = GetCurrentViewPosition() - positionWS;
-        return normalize(V);
-    }
-    else
-    {
-        // Orthographic
-        return -GetViewForwardDir();
-    }
-}
-
 float3 GetWorldSpaceViewDir(float3 positionWS)
 {
 	if (IsPerspectiveProjection())
 		// Orthographic
 		return -GetViewForwardDir();
 	}
+}
+
+float3 GetWorldSpaceNormalizeViewDir(float3 positionWS)
+{
+    return normalize(GetWorldSpaceViewDir(positionWS));
 }
 
 float3x3 CreateWorldToTangent(float3 normal, float3 tangent, float flipSign)