Remove trailing whitespace

Author: matthieumota

symfony/webpack-encore-bundle/1.0/config/packages/webpack_encore.yaml

@@ -7,7 +7,7 @@ webpack_encore:
 
     # if using Encore.enableIntegrityHashes() specify the crossorigin attribute value (default: false, or use 'anonymous' or 'use-credentials')
     # crossorigin: 'anonymous'
-    
+
     # Cache the entrypoints.json (rebuild Symfony's cache when entrypoints.json changes).
     # To enable caching for the production environment, creating a webpack_encore.yaml in the config/packages/prod directory with this value set to true
     # Available in version 1.2