chore: Remove v2 perf option from v9 sdk

[noahsmartin]

#skip-changelog

Closes #6333

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.295%. Comparing base (09471ff) to head (7700efa).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #6332       +/-   ##
=============================================
+ Coverage   86.776%   87.295%   +0.519%     
=============================================
  Files          438       438               
  Lines        37343     37311       -32     
  Branches     17434     17436        +2     
=============================================
+ Hits         32405     32571      +166     
+ Misses        4893      4695      -198     
  Partials        45        45               

Files with missing lines	Coverage Δ
Sources/Sentry/SentryAppStartTracker.m	94.871% <100.000%> (-3.385%)	⬇️
Sources/Sentry/SentryAppStartTrackingIntegration.m	100.000% <100.000%> (ø)
Sources/Sentry/SentryOptions.m	97.460% <ø> (-0.024%)	⬇️
Sources/Sentry/SentyOptionsInternal.m	99.683% <ø> (-0.004%)	⬇️
...es/Swift/Helper/SentryEnabledFeaturesBuilder.swift	100.000% <ø> (ø)

... and 13 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1233.34 ms	1261.14 ms	27.80 ms
Size	23.75 KiB	989.97 KiB	966.22 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
9be5373	1215.92 ms	1239.44 ms	23.52 ms
ea2e54c	1207.78 ms	1218.13 ms	10.35 ms
2a6f451	1212.89 ms	1237.45 ms	24.56 ms
d05d866	1211.78 ms	1230.96 ms	19.18 ms
c122943	1210.94 ms	1233.78 ms	22.84 ms
705b962	1200.92 ms	1222.04 ms	21.13 ms
f43a482	1219.00 ms	1245.56 ms	26.56 ms
cbbc82c	1246.43 ms	1266.13 ms	19.70 ms
fae97e5	1229.20 ms	1256.27 ms	27.06 ms
449d185	1216.31 ms	1251.94 ms	35.62 ms

App size

Revision	Plain	With Sentry	Diff
9be5373	23.75 KiB	866.50 KiB	842.75 KiB
ea2e54c	23.75 KiB	919.70 KiB	895.95 KiB
2a6f451	23.75 KiB	913.13 KiB	889.38 KiB
d05d866	23.75 KiB	878.60 KiB	854.85 KiB
c122943	23.74 KiB	926.65 KiB	902.90 KiB
705b962	23.74 KiB	995.47 KiB	971.73 KiB
f43a482	23.75 KiB	928.16 KiB	904.41 KiB
cbbc82c	23.75 KiB	995.22 KiB	971.47 KiB
fae97e5	23.75 KiB	912.37 KiB	888.62 KiB
449d185	23.75 KiB	980.81 KiB	957.06 KiB

Previous results on branch: removePerfV2Option

Startup times

Revision	Plain	With Sentry	Diff
27ed343	1232.79 ms	1253.78 ms	20.99 ms
9192874	1222.80 ms	1263.94 ms	41.14 ms
842a1b6	1219.00 ms	1250.43 ms	31.43 ms
b69227c	1237.43 ms	1263.36 ms	25.93 ms
0709d39	1222.31 ms	1255.38 ms	33.07 ms
379c3ba	1230.40 ms	1259.40 ms	29.01 ms
0375c14	1211.53 ms	1235.08 ms	23.55 ms

App size

Revision	Plain	With Sentry	Diff
27ed343	23.74 KiB	996.45 KiB	972.70 KiB
9192874	23.74 KiB	994.59 KiB	970.85 KiB
842a1b6	23.74 KiB	994.60 KiB	970.85 KiB
b69227c	23.74 KiB	994.60 KiB	970.86 KiB
0709d39	23.75 KiB	989.97 KiB	966.22 KiB
379c3ba	23.74 KiB	994.60 KiB	970.85 KiB
0375c14	23.74 KiB	994.59 KiB	970.85 KiB

[philipphofmann]

This PR must have a changelog entry. LGTM, when adding the changed behaviour to the changelog.