Removed mail from send_feedback since it is no longer a parameter

Author: leekahung

backend/tenantfirstaid/app.py

@@ -87,7 +87,7 @@ def clear_session():
 
 @limiter.limit("3 per minute")
 def feedback_route():
-    return send_feedback(mail)
+    return send_feedback()
 
 
 app.add_url_rule(