Pt clean up report

Closes no issue

What does this MR do?

cleans the whole report module

How confident are you it won't break things if deployed?

just refactor. Should be ok. I have tested it a lot in localhost.

Related issues

issues0#344

Checklist

• added a test, or explain why one is not needed/possible...
• no unrelated changes
• asked someone for a code review
• joined #foodsharing-beta channel at https://slackin.yunity.org
• added an entry to CHANGELOG.md (description, merge request link, username(s))