Fix cursor vertrex attributes

base/shaders/cursor.kong

@@ -20,7 +20,6 @@ struct vert_in {
 	pos: float4;
 	nor: float2;
 	tex: float2;
-	col: float4;
 }
 
 struct vert_out {
@@ -47,7 +46,7 @@ fun get_normal(p0: float3, uv: float2): float3 {
 // }
 
 fun cursor_vert(input: vert_in): vert_out {
-	var keep: float = input.pos.x + input.nor.x + input.col.x; // hlsl
+	var keep: float = input.pos.x + input.nor.x; // hlsl
 
 	var output: vert_out;
 	output.tex = input.tex;