fix: do not force finding metal folder since x86 does not have it

Author: vinovo

runner/release/darwin/scripts/prepackage.sh

@@ -45,9 +45,6 @@ chmod +x "${APP_PATH}/Contents/Resources/nexa-cli"
 # IMPORTANT: this path needs to be updated if plugin name has been updated
 if [ -d "${APP_PATH}/Contents/Resources/metal/python_runtime/bin" ]; then
   chmod -R +x "${APP_PATH}/Contents/Resources/metal/python_runtime/bin"
-else
-  echo "ERROR: embedded python runtime cannot be found, is the path correct?" >&2
-  exit 1
 fi
 
 echo "Preparing PKG scripts..."