refactor(misc): minor maintenance changes

[glevco]

Motivation

This PR accumulates some minor cleanups, see below.

Acceptance Criteria

• Update event queue docs to remove mention of unsafe — that feature is no longer unsafe, but the docs were outdated.
• Handle unhandled exception in the deferred returned by handle_peer_id() — this currently generates unnecessary alerts.
• Remove HAS_ROCKSDB variable and all its usage — since we removed support for windows, this is not necessary anymore.
• Deprecate --x-full-verification.
• Refactor execution manager call.
• No changes in behavior.

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[github-actions]

Bencher Report

Branch	refactor/misc-changes
Testbed	ubuntu-22.04

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Benchmark	Latency	Benchmark Result minutes (m) (Result Δ%)	Lower Boundary minutes (m) (Limit %)	Upper Boundary minutes (m) (Limit %)
sync-v2 (up to 20000 blocks)	📈 view plot 🚷 view threshold	1.52 (-7.31%)	1.47 (97.10%)	1.80 (84.26%)

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[codecov]

Codecov Report

Attention: Patch coverage is 94.28571% with 2 lines in your changes missing coverage. Please review.

Project coverage is 84.41%. Comparing base (2c6efb3) to head (ef73420).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
hathor/p2p/states/peer_id.py	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1206      +/-   ##
==========================================
- Coverage   84.54%   84.41%   -0.14%     
==========================================
  Files         320      320              
  Lines       24562    24568       +6     
  Branches     3767     3768       +1     
==========================================
- Hits        20766    20739      -27     
- Misses       3061     3085      +24     
- Partials      735      744       +9     

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