Stop sending call notifications

[robintown]

Content

In an upcoming version of Element Call, the Element Call widget will assume responsibility for sending notification events when you start a call. So we no longer need to have the client application send them.

Motivation and context

element-hq/element-call#3248

Screenshots / GIFs

N/A

Tests

TODO

Tested devices

• Physical
• Emulator
• OS version(s):

Checklist

• Changes have been tested on an Android device or Android emulator with API 24
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/element-hq/element-x-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request title will be used in the release note, it clearly define what will change for the user
• Pull request includes screenshots or videos if containing UI changes
• You've made a self review of your PR

[github-actions]

Thank you for your contribution! Here are a few things to check in the PR to ensure it's reviewed as quickly as possible:

• Your branch should be based on origin/develop, at least when it was created.
• The title of the PR will be used for release notes, so it needs to describe the change visible to the user.
• The test pass locally running ./gradlew test.
• The code quality check suite pass locally running ./gradlew runQualityChecks.
• If you modified anything related to the UI, including previews, you'll have to run the Record screenshots GH action in your forked repo: that will generate compatible new screenshots. However, given Github Actions limitations, it will prevent the CI from running temporarily, until you upload a new commit after that one. To do so, just pull the latest changes and push an empty commit.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 80.33%. Comparing base (8e87bf2) to head (322c1e0).

Files with missing lines	Patch %	Lines
...droid/features/call/impl/ui/CallScreenPresenter.kt	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #4756   +/-   ##
========================================
  Coverage    80.32%   80.33%           
========================================
  Files         2127     2127           
  Lines        56319    56308   -11     
  Branches      7055     7052    -3     
========================================
- Hits         45241    45233    -8     
+ Misses        8661     8657    -4     
- Partials      2417     2418    +1     

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