Revert "Updated feedback to include screenshot and drawings"

This reverts commit 7b3c0b4885.

lib/api/mhsl/server/feedback/addFeedbackParams.dart

@@ -6,14 +6,12 @@ part 'addFeedbackParams.g.dart';
 class AddFeedbackParams {
   String user;
   String feedback;
-  String? screenshot;
   int appVersion;
 
 
   AddFeedbackParams({
     required this.user,
     required this.feedback,
-    this.screenshot,
     required this.appVersion,
   });