chore(Cross): [IOAPPX-407] Remove instabug leftovers from native projects

[LazyAfternoons]

Short description

This PR removes instabug, which is an old dependency, leftovers from native projects.

List of changes proposed in this pull request

• Remove instabug from ProGuard rules on Android;
• Remove instabug framework references from the iOS project.

How to test

# If you store DeriveData with relative path to the project folder, otherwise use Xcode to clean the build
> rm -rf ios/DerivedData 
> rm -rf ios/Pods
> cd ios && bundler exec pod install && cd .. 
> yarn react-native run-ios

> cd android && ./gradlew/clean
> yarn react-native run-android

This should also fix a warning we receive when building the iOS app.

[pagopa-github-bot]

Affected stories

• ⚙️ IOAPPX-407: [io-app] Rimozione rimanenze dipendenza instabug nei progetti nativi
  subtask of
  • ⚡ IOAPPX-379: Debito Tecnico

Generated by 🚫 dangerJS against 347435b

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.00%. Comparing base (4f204b4) to head (347435b).
Report is 664 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6311      +/-   ##
==========================================
- Coverage   48.42%   47.00%   -1.43%     
==========================================
  Files        1488     1815     +327     
  Lines       31617    36902    +5285     
  Branches     7669     8898    +1229     
==========================================
+ Hits        15311    17346    +2035     
- Misses      16238    19490    +3252     
+ Partials       68       66       -2     

see 1440 files with indirect coverage changes

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[mastro993]

LGTM, builds and runs as expected on both Android and iOS