report and mediation button is not visible against foodsharers

some points from #1046

What does this MR do?

removes the button for Report and mediation for foodsharers. Removes the mediation button for oneself.

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

very

Links to related issues

How to test

Steps a reviewer can take to verify that this MR does what it says it does e.g.

1. Checkout branch locally
2. Login as userorga@example.com
3. Find user "one" = This is the foodsaver
4. See no buttons for mediation and report
5. Go on your own profile, see no mediation button

Screenshots (if applicable)

Any relevant screenshots if this is a design / frontend change

Checklist

• added a test, or explain why one is not needed/possible...
• no unrelated changes
• asked someone for a code review
• set a "for:" label to indicate who will be affected by this change
• use "state:" labels to track this MR's state until it was beta tested
• added an entry to CHANGELOG.md
• add a short text that can be used in the release notes
• Once your MR has been merged, you are responsible to create a testing issue in Beta Testing Repo:
  • Consider writing a detailed description in German.
  • Describe in a few sentences, what should be tested from a user perspective.
  • Also mention different settings (e.g. different browsers, roles, ...). how this change can be tested.
  • Be aware, that also non technical people should understand.

Release notes text

Foodsharern wird nicht die technische Unterstützung für Mediations- oder Meldegruppen angezeigt.