Remove the "device" field from get /pushrules response model.

[bmarty]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

Remove unused field, see matrix-org/synapse#12482

It's worth noting that if removed from the server response, the existing code will not crash since a default value was assign to device.

Motivation and context

Be spec compliant.

Screenshots / GIFs

NA

Tests

Code compiles.

Tested devices

NA

Checklist

• Changes has been tested on an Android device or Android emulator with API 21
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-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/vector-im/element-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
• If you have modified the screen flow, or added new screens to the application, you have updated the test UiAllScreensSanityTest.allScreensTest()

[ElementBot]

	Warnings
⚠️	Please add a changelog. See instructions here
⚠️	Please add a reviewer to your PR.

Generated by 🚫 dangerJS against 6eece5b

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[Florian14]

LGTM