ref: FramesTrackingIntegration remove stop

[philipphofmann]

Remove not needed stop method.

Came up while investigating #3700.

#skip-changelog

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.805%. Comparing base (1ac58a6) to head (8a78a2e).

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #3978       +/-   ##
=============================================
- Coverage   90.870%   90.805%   -0.066%     
=============================================
  Files          594       594               
  Lines        46083     46081        -2     
  Branches     16442     16458       +16     
=============================================
- Hits         41876     41844       -32     
- Misses        4027      4057       +30     
  Partials       180       180               

Files	Coverage Δ
Sources/Sentry/SentryFramesTrackingIntegration.m	100.000% <ø> (ø)

... and 9 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 1ac58a6...8a78a2e. Read the comment docs.

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1218.22 ms	1235.78 ms	17.55 ms
Size	21.58 KiB	626.08 KiB	604.50 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
c021422	1199.15 ms	1222.20 ms	23.05 ms
438e21a	1237.47 ms	1255.24 ms	17.77 ms
ed68562	1238.45 ms	1251.57 ms	13.12 ms
83887af	1196.94 ms	1206.82 ms	9.88 ms
965db8a	1211.61 ms	1226.60 ms	14.99 ms
88ca9d8	1228.09 ms	1254.79 ms	26.70 ms
42ef6ba	1234.35 ms	1252.29 ms	17.94 ms
72c8d84	1266.16 ms	1267.57 ms	1.41 ms
de033da	1216.91 ms	1222.84 ms	5.92 ms
7fe37ab	1236.10 ms	1258.83 ms	22.73 ms

App size

Revision	Plain	With Sentry	Diff
c021422	20.76 KiB	435.64 KiB	414.88 KiB
438e21a	20.76 KiB	434.62 KiB	413.86 KiB
ed68562	22.84 KiB	403.24 KiB	380.39 KiB
83887af	21.58 KiB	419.64 KiB	398.06 KiB
965db8a	22.84 KiB	403.24 KiB	380.39 KiB
88ca9d8	21.58 KiB	612.82 KiB	591.24 KiB
42ef6ba	21.58 KiB	417.86 KiB	396.28 KiB
72c8d84	22.85 KiB	408.88 KiB	386.03 KiB
de033da	21.58 KiB	418.15 KiB	396.57 KiB
7fe37ab	21.58 KiB	542.28 KiB	520.70 KiB