removed temporary function

Sub/functions.fxh

@@ -6,24 +6,12 @@ float2 scaleUV(float2 uv, float scale) //for eyestar
     return offset + center;
 }
 
-float2 face_UV(float2 uv)
-{
-   float2 center = 0.5f;
-   uv *= 0.25f;
-   #ifdef eye_right
-   uv.x *= -1;
-   uv.x += center.x;
-   #endif
-   return uv;
-}
-
 float3 Saturate_Col(float3 color, float saturation)
 {
     float3 gray = dot(color, float4(0.299, 0.587, 0.114, 0));
     return lerp(gray, color, saturation);
 }
 
-
 //honkai starrail functions
 float3 outlineWidthAdjustZs = float3(0.01, 150., 200.);
 float3 outlineWidthAdjustScales = float3(0.105, 0.2, .3);