ref: Remove unused tracer arg for TracerDelegate

[philipphofmann]

Remove passing tracer to the tracer delegate activeSpan because it's not used.

#skip-changelog

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1221.51 ms	1239.51 ms	18.00 ms
Size	21.58 KiB	714.18 KiB	692.60 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
d760c3f	1228.58 ms	1246.22 ms	17.64 ms
676fe22	1220.71 ms	1240.14 ms	19.43 ms
01a28a9	1237.24 ms	1253.24 ms	16.00 ms
cf724da	1243.14 ms	1261.44 ms	18.30 ms
0ecf042	1228.25 ms	1250.67 ms	22.42 ms
d9308fd	1214.89 ms	1244.37 ms	29.47 ms
07b120c	1225.53 ms	1247.20 ms	21.67 ms
1c96132	1229.29 ms	1248.14 ms	18.86 ms
bd2afa6	1245.24 ms	1263.18 ms	17.94 ms
533859f	1237.78 ms	1249.76 ms	11.98 ms

App size

Revision	Plain	With Sentry	Diff
d760c3f	22.84 KiB	403.17 KiB	380.33 KiB
676fe22	21.58 KiB	698.12 KiB	676.54 KiB
01a28a9	22.85 KiB	405.39 KiB	382.54 KiB
cf724da	20.76 KiB	430.52 KiB	409.76 KiB
0ecf042	21.58 KiB	631.82 KiB	610.24 KiB
d9308fd	21.58 KiB	612.82 KiB	591.24 KiB
07b120c	21.58 KiB	614.90 KiB	593.32 KiB
1c96132	21.58 KiB	418.51 KiB	396.93 KiB
bd2afa6	20.76 KiB	420.55 KiB	399.79 KiB
533859f	22.85 KiB	408.84 KiB	386.00 KiB

Previous results on branch: ref/remove-not-needed-tracer-arg

Startup times

Revision	Plain	With Sentry	Diff
d1410ba	1246.27 ms	1266.00 ms	19.73 ms

App size

Revision	Plain	With Sentry	Diff
d1410ba	21.58 KiB	714.18 KiB	692.60 KiB

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.658%. Comparing base (394ad33) to head (c70e6ff).
Report is 2 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #4352       +/-   ##
=============================================
- Coverage   91.687%   91.658%   -0.030%     
=============================================
  Files          621       622        +1     
  Lines        50441     50528       +87     
  Branches     18177     18279      +102     
=============================================
+ Hits         46248     46313       +65     
- Misses        4100      4122       +22     
  Partials        93        93               

Files with missing lines	Coverage Δ
Sources/Sentry/SentryPerformanceTracker.m	100.000% <ø> (ø)
Sources/Sentry/SentryTracer.m	96.728% <100.000%> (ø)
...ts/SentryTests/Transaction/SentryTracerTests.swift	98.370% <100.000%> (ø)

... and 23 files with indirect coverage changes

---

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