Update asset_mapper.rst

Author: xDeSwa

frontend/asset_mapper.rst

@@ -327,7 +327,7 @@ This ensures your ``assets/vendor/`` directory is in sync with the updated impor
 
 .. tip::
 
-    Removing a package from the importmap does not automatically remove any references to it in your JavaScript files.  
+    Removing a package from the importmap does not automatically remove any references to it in your JavaScript files.
     Make sure to update your code to remove any ``import`` statements that reference the removed package.
 
 How does the importmap Work?