Remove FilterHiddenStateEventsProcessor

[jmartinesp]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

• Remove FilterHiddenStateEventsProcessor.
• Remove isVisibleInTimeline() method in EventContent and OtherState.

Motivation and context

The same process is already done by the Rust SDK, so it's now redundant.

Tests

• In a room, change something that would send one of the hidden state events, such as the power levels for different actions.
• Open the room in the EX app, check that none of those events appear in the timeline.

Tested devices

• Physical
• Emulator
• OS version(s): 14

Checklist

• Changes have been tested on an Android device or Android emulator with API 23
• 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 includes a new file under ./changelog.d. See https://github.com/element-hq/element-x-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR

[sonarcloud]

Quality Gate passed

Issues
0 New issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[github-actions]

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[bmarty]

Thanks for the cleanup!