Don't run bin2c discovery on macos

Scripts/CompileShaders.sh

@@ -15,10 +15,12 @@ SHADER_PATH="$2"
 UNIQUE_ENTRY_NAME="$3"
 BIN2C_EXE="${4:-bin2c}"
 
-if [ -z "$4" ]; then
+if [[ "$(uname)" != "Darwin" ]]; then
+  if [ -z "$4" ]; then
     if [ -e "$HOME/bin/bin2c" ]; then
       BIN2C_EXE="$HOME/bin/bin2c"
     fi
+  fi
 fi
 
 HEADER_PATH="$1"/"GeneratedShaderData_${3}.h"