Remove config.capture_exception_frame_locals

[st0012]

It's been marked as deprecated for a while now and should be removed in the next major release.

Additional note: some TracePoint events can invalidate YJIT's optimization, which was a main concern of the current implementation around locals capturing. But at least until Ruby 3.3, the raise event we're using is NOT one of them.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.66%. Comparing base (07aaf5e) to head (9cf553d).
Report is 94 commits behind head on 6.0-dev.

Additional details and impacted files

@@             Coverage Diff             @@
##           6.0-dev    #2306      +/-   ##
===========================================
- Coverage    98.71%   98.66%   -0.05%     
===========================================
  Files          202      201       -1     
  Lines        13294    13075     -219     
===========================================
- Hits         13123    12901     -222     
- Misses         171      174       +3     

Components	Coverage Δ
sentry-ruby	99.05% <100.00%> (-0.05%)	⬇️
sentry-rails	97.26% <100.00%> (-0.12%)	⬇️
sentry-sidekiq	96.98% <ø> (ø)
sentry-resque	96.76% <ø> (ø)
sentry-delayed_job	98.91% <ø> (ø)
sentry-opentelemetry	100.00% <ø> (ø)

Files with missing lines	Coverage Δ
sentry-rails/lib/sentry/rails/active_job.rb	100.00% <100.00%> (ø)
sentry-rails/spec/dummy/test_rails_app/app.rb	92.64% <100.00%> (ø)
sentry-rails/spec/sentry/rails/activejob_spec.rb	99.42% <ø> (-0.07%)	⬇️
sentry-ruby/lib/sentry/background_worker.rb	100.00% <100.00%> (ø)
sentry-ruby/lib/sentry/client.rb	100.00% <100.00%> (ø)
sentry-ruby/lib/sentry/configuration.rb	98.75% <ø> (-0.05%)	⬇️
sentry-ruby/lib/sentry/transport.rb	99.03% <100.00%> (-0.01%)	⬇️
sentry-ruby/spec/sentry/background_worker_spec.rb	100.00% <ø> (ø)
...ntry-ruby/spec/sentry/client/event_sending_spec.rb	99.50% <100.00%> (-0.13%)	⬇️
sentry-ruby/spec/sentry/configuration_spec.rb	100.00% <ø> (ø)
... and 4 more

... and 2 files with indirect coverage changes

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