[SDK] Simplify SDK version

[marcalff]

Fixes #2150

Changes

Removed the following members:

• sdk::version::count_new_commits
• sdk::version::branch
• sdk::version::commit_hash

Simplified sdk::version::full_version accordingly.

Simplified buildscripts/pre-commit accordingly.

For significant contributions please make sure you have completed the following items:

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

[codecov]

Codecov Report

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2180   +/-   ##
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  Coverage        ?   87.52%           
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  Files           ?      169           
  Lines           ?     4887           
  Branches        ?        0           
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  Hits            ?     4277           
  Misses          ?      610           
  Partials        ?        0