update header for Drupal template

Drupal.gitignore

 # gitignore template for Drupal 8 projects
 #
-# earlier versions of Drupal are tracked in `ecosystem/Python/`
+# earlier versions of Drupal are tracked in `community/Python/`
 
 # Ignore configuration files that may contain sensitive information
 /sites/*/*settings*.php
@@ -43,4 +43,4 @@
 /README.txt
 /robots.txt
 /update.php
-/web.config
+/web.config
\ No newline at end of file