Remove `Animated` and `Common` symlinks

[tomekzaw]

Description

This PR removes two symlinks:

1. Example/Animated → src
2. android/src/main/Common → Common

These symlinks really annoyed everyone with duplicating the search results in their favourite text editor.

The Example app works fine after I removed the first symlink. 🤷‍♂️

The purpose of the second symlink was probably to compile C++ sources from Common directory along with these from android/src/main/cpp, but I'm not sure.

The PR has been tested both on Example and FabricExample app as well as fresh React Native 0.69.4 app.

After the changes, both cpp directories (Android-only and common) are properly recognized by Android Studio:

Debugging C++ code from Common directory in Android Studio also works correctly:

Android Studio version: Chipmunk | 2021.2.1 Patch 1

Changes

• Removed symlink Example/Animated → src
• Removed symlink android/src/main/Common → Common

Test code and steps to reproduce

Checklist

• [ ] Included code example that can be used to test this change
• [ ] Updated TS types
• [ ] Added TS types tests
• [ ] Added unit / integration tests
• [ ] Updated documentation
• [ ] Ensured that CI passes