refact!: remove thread local support

[pedromfedricci]

BREAKING

• Removed: thread_local cargo feature.
• Removed: clhlock::thread_local_node! macro.
• Removed: clhlock::raw::Mutex::lock_with_local.
• Removed: clhlock::raw::Mutex::lock_with_local_unchecked.

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.38%. Comparing base (ee20977) to head (2859ea5).

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Additional details and impacted files

@@             Coverage Diff             @@
##              main       #3      +/-   ##
===========================================
- Coverage   100.00%   97.38%   -2.62%     
===========================================
  Files            7        6       -1     
  Lines          168      153      -15     
===========================================
- Hits           168      149      -19     
- Misses           0        4       +4     

Flag	Coverage Δ
	97.38% <ø> (-2.62%)	⬇️

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