refactor: remove KonchatNotification newRoom from meteor

[juliajforesti]

ARCH-1504

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[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is targeting the wrong base branch. It should target 7.6.0, but it targets 7.5.0

Please fix the issues and try again

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[changeset-bot]

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Latest commit: d260af6

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[github-actions]

PR Preview Action v1.6.0
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.66%. Comparing base (8606cf6) to head (d260af6).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #35567      +/-   ##
===========================================
- Coverage    59.66%   59.66%   -0.01%     
===========================================
  Files         2826     2826              
  Lines        68285    68282       -3     
  Branches     15128    15128              
===========================================
- Hits         40744    40741       -3     
  Misses       24930    24930              
  Partials      2611     2611              

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