refactor: remove unused legacy ClientDTO values (WPB-5623)

[MohamadJaara]

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PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

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What's new in this PR?

Issues

there are some legacy values in the client DTO response that are not used by the app

Solutions

nuke em all

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Testing

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PR Post Submission Checklist for internal contributors (Optional)

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PR Post Merge Checklist for internal contributors

• If any soft of configuration variable was introduced by this PR, it has been added to the relevant documents and the CI jobs have been updated.

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References

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.

[github-actions]

Unit Test Results

   439 files     439 suites   23s ⏱️
2 487 tests 2 384 ✔️ 103 💤 0 ❌

Results for commit 713a283.

♻️ This comment has been updated with latest results.

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (release/candidate@83763fb). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

@@                 Coverage Diff                  @@
##             release/candidate    #2254   +/-   ##
====================================================
  Coverage                     ?   58.05%           
  Complexity                   ?       21           
====================================================
  Files                        ?     1073           
  Lines                        ?    40760           
  Branches                     ?     3776           
====================================================
  Hits                         ?    23665           
  Misses                       ?    15475           
  Partials                     ?     1620           

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