github-remove the app directory too (#8849)

DO NOT DELETE THIS TEXT

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scripts/github-remove

@@ -31,7 +31,7 @@ args = parser.parse_args()
 
 if args.discard:
     if confirm("Are you sure you want to delete all modified and untracked files?"):
-        dirs = ["contrib/", "doc/", "html/", "includes/", "lib/", "LibreNMS/",
+        dirs = ["app/", "contrib/", "doc/", "html/", "includes/", "lib/", "LibreNMS/",
         "licenses/", "mibs/", "misc/", "scripts/", "sql-schema/", "tests/"]
 
         call(["git", "reset", "-q"], cwd=librenms_dir)