ref: Remove deprecated integrations option

[noahsmartin]

Remove this setting that is deprecated and removed in the v9 flag

#skip-changelog

Closes #6544

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.776%. Comparing base (22af3fc) to head (51eada2).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #6492       +/-   ##
=============================================
+ Coverage   85.513%   85.776%   +0.263%     
=============================================
  Files          451       451               
  Lines        27328     27321        -7     
  Branches     11913     11912        -1     
=============================================
+ Hits         23369     23435       +66     
+ Misses        3914      3841       -73     
  Partials        45        45               

Files with missing lines	Coverage Δ
SentryTestUtils/TestOptions.swift	100.000% <100.000%> (ø)
Sources/Sentry/SentryOptions.m	96.407% <ø> (-0.085%)	⬇️
Sources/Sentry/SentrySDKInternal.m	83.266% <ø> (-3.452%)	⬇️
Sources/Sentry/SentyOptionsInternal.m	99.543% <ø> (-0.017%)	⬇️

... and 12 files with indirect coverage changes

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1220.77 ms	1260.15 ms	39.38 ms
Size	23.75 KiB	1.00 MiB	1002.23 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
7629df7	1224.80 ms	1250.29 ms	25.49 ms
db9572a	1223.13 ms	1241.60 ms	18.47 ms
76f74df	1238.29 ms	1261.22 ms	22.94 ms
9450cb4	1221.29 ms	1232.96 ms	11.67 ms
701b301	1226.10 ms	1245.57 ms	19.47 ms
079bcc8	1217.88 ms	1234.88 ms	17.00 ms
fdea6f5	1216.08 ms	1241.82 ms	25.73 ms
c30e401	1218.71 ms	1243.73 ms	25.02 ms
934eee4	1222.51 ms	1251.04 ms	28.53 ms
aa96485	1215.37 ms	1234.04 ms	18.67 ms

App size

Revision	Plain	With Sentry	Diff
7629df7	23.75 KiB	959.45 KiB	935.70 KiB
db9572a	23.75 KiB	858.64 KiB	834.89 KiB
76f74df	23.75 KiB	879.61 KiB	855.86 KiB
9450cb4	23.75 KiB	908.55 KiB	884.80 KiB
701b301	23.75 KiB	867.16 KiB	843.41 KiB
079bcc8	23.74 KiB	874.07 KiB	850.33 KiB
fdea6f5	23.75 KiB	867.15 KiB	843.40 KiB
c30e401	23.74 KiB	971.70 KiB	947.96 KiB
934eee4	23.75 KiB	988.03 KiB	964.28 KiB
aa96485	23.75 KiB	874.46 KiB	850.71 KiB

Previous results on branch: removeDeprecatedIntegrations

Startup times

Revision	Plain	With Sentry	Diff
75209a9	1217.91 ms	1248.78 ms	30.87 ms
ff29e12	1214.66 ms	1248.91 ms	34.25 ms
2b2ee5a	1237.29 ms	1265.98 ms	28.69 ms
d35abd8	1219.20 ms	1258.71 ms	39.50 ms

App size

Revision	Plain	With Sentry	Diff
75209a9	23.75 KiB	1.00 MiB	1005.77 KiB
ff29e12	23.75 KiB	1.01 MiB	1006.39 KiB
2b2ee5a	23.75 KiB	1.00 MiB	1005.77 KiB
d35abd8	23.75 KiB	1.01 MiB	1008.62 KiB

[itaybre]

LGTM