feat: Remove third party library for certificate decoding (WPB-6765)

[ohassine]

WPB-6765 [Android] Remove 3rd part libs deps for Cert Decoding

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• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
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What's new in this PR?

Issues

Certificate decoding was done by a third part library, now it's provided from Core Crypro

Solutions

Remove current implementation for decoding E2EI certificate and get info from CC instead

Needs this PR on Kalium
wireapp/kalium#2557

Needs releases with:

• GitHub link to other pull request

Testing

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PR Post Submission Checklist for internal contributors (Optional)

• Wire's Github Workflow has automatically linked the PR to a JIRA issue

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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]

Test Results

803 tests   803 ✅  10m 15s ⏱️
108 suites    0 💤
108 files      0 ❌

Results for commit 6a324f1.

[github-actions]

APKs built during tests are available here. Scroll down to Artifacts!

[AndroidBob]

Build 3357 succeeded.

The build produced the following APK's:

• com.wire.android-v4.6.1(9015192)(9015192)-staging-compat.apk