chore: Remove kafkaoverview page

[hemahg]

What this PR does / why we need it:

Remove Kafka overview page

Which issue(s) this PR fixes

fixes https://issues.redhat.com/browse/MGDSTRM-11097

Verification steps

Attach a screenshot of the output.
guidance on how to go the particular story.
e.g. point to the story with a text breadcrumb, something like "components > <component name> > <story name>”

Is there any work left / what's next :

Replace this comment with pending items that need to be covered in this PR or some pending items you are planning to do in the future PR.

Special notes for your reviewer:

also removed the navigation for kafka overview page RedHatInsights/chrome-service-backend#56

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main-beta@8fc973e). Click here to learn what that means.
Patch has no changes to coverable lines.

❗ Current head 302ef16 differs from pull request most recent head 903ae5d. Consider uploading reports for the commit 903ae5d to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##             main-beta     #162   +/-   ##
============================================
  Coverage             ?   64.12%           
============================================
  Files                ?      214           
  Lines                ?     4164           
  Branches             ?     1460           
============================================
  Hits                 ?     2670           
  Misses               ?     1470           
  Partials             ?       24           

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