ref: Remove v9 checks for debug image provider

[noahsmartin]

The V9 migration makes this class internal instead of public, which means it needs to be migrated to Swift to be part of the Swift dependency container. This removes the V9 checks and migrates it to Swift

#skip-changelog

Closes #6455

[codecov]

Codecov Report

❌ Patch coverage is 94.44444% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 87.025%. Comparing base (1bf44b4) to head (1df3813).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
Sources/Sentry/SentryDebugImageProviderInternal.m	80.000%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #6454       +/-   ##
=============================================
+ Coverage   87.023%   87.025%   +0.002%     
=============================================
  Files          450       451        +1     
  Lines        37806     37751       -55     
  Branches     17494     17474       -20     
=============================================
- Hits         32900     32853       -47     
+ Misses        4863      4855        -8     
  Partials        43        43               

Files with missing lines	Coverage Δ
SentryTestUtils/TestDebugImageProvider.swift	100.000% <ø> (+27.272%)	⬆️
Sources/Sentry/PrivateSentrySDKOnly.m	25.000% <ø> (+1.213%)	⬆️
...ces/Sentry/Profiling/SentryProfilerSerialization.m	86.219% <ø> (ø)
Sources/Sentry/SentryANRTrackingIntegration.m	97.041% <ø> (ø)
Sources/Sentry/SentryClient.m	99.327% <ø> (ø)
Sources/Sentry/SentryDependencyContainer.m	90.254% <ø> (ø)
Sources/Sentry/SentryTracer.m	97.712% <ø> (+0.163%)	⬆️
...s/Swift/SentryCrash/SentryDebugImageProvider.swift	100.000% <100.000%> (ø)
Sources/Sentry/SentryDebugImageProviderInternal.m	81.176% <80.000%> (ø)

... and 6 files with indirect coverage changes

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1225.48 ms	1265.78 ms	40.30 ms
Size	23.75 KiB	1021.49 KiB	997.74 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
13bc1aa	1244.04 ms	1262.89 ms	18.85 ms
2a07609	1207.79 ms	1233.77 ms	25.98 ms
59fc426	1240.49 ms	1256.94 ms	16.45 ms
8f2120f	1235.92 ms	1249.67 ms	13.75 ms
1a820a1	1217.79 ms	1260.34 ms	42.55 ms
d3e7aa6	1226.06 ms	1248.87 ms	22.81 ms
9264ee8	1233.15 ms	1250.02 ms	16.87 ms
a4c5ddc	1239.61 ms	1266.41 ms	26.80 ms
92a02b8	1220.89 ms	1249.27 ms	28.37 ms
c122943	1210.94 ms	1233.78 ms	22.84 ms

App size

Revision	Plain	With Sentry	Diff
13bc1aa	23.75 KiB	908.40 KiB	884.65 KiB
2a07609	23.75 KiB	912.78 KiB	889.03 KiB
59fc426	23.75 KiB	920.64 KiB	896.89 KiB
8f2120f	23.75 KiB	941.78 KiB	918.03 KiB
1a820a1	23.75 KiB	994.82 KiB	971.07 KiB
d3e7aa6	23.75 KiB	913.16 KiB	889.41 KiB
9264ee8	23.75 KiB	913.09 KiB	889.34 KiB
a4c5ddc	23.75 KiB	977.30 KiB	953.55 KiB
92a02b8	23.75 KiB	913.17 KiB	889.42 KiB
c122943	23.74 KiB	926.65 KiB	902.90 KiB

Previous results on branch: debugImageProviderV9

Startup times

Revision	Plain	With Sentry	Diff
39e4f97	1225.89 ms	1260.51 ms	34.62 ms
98bfcdb	1231.44 ms	1265.30 ms	33.86 ms

App size

Revision	Plain	With Sentry	Diff
39e4f97	23.75 KiB	1021.48 KiB	997.73 KiB
98bfcdb	23.75 KiB	1021.48 KiB	997.73 KiB

[philprime]

LGTM, left one comment to double-check