chore: Delete deprecated SentryPrivate

[itaybre]

Removes SentryPrivate.podspec since it has been unused for over a year.

[github-actions]

🚨 Detected changes in high risk code 🚨

High-risk code can easily blow up and is hard to test. We had severe bugs in the past. Be extra careful when changing these files, and have an extra careful look at these:

• .github/file-filters.yml

[codecov]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
3985	2	3983	24

View the top 2 failed test(s) by shortest run time

SentryTests.SentrySwiftIntegrationInstallerTests::testInstall_AddsInstalledIntegrations

Stack Traces | 0s run time

.../SentryTests/Integrations/SentrySwiftIntegrationInstallerTests.swift:28 - XCTAssertEqual failed: ("2") is not equal to ("1")

SentryTests.SentrySwiftIntegrationInstallerTests::testInstall_WithDisabledIntegration_DoesNotAddIntegration

Stack Traces | 0s run time

.../SentryTests/Integrations/SentrySwiftIntegrationInstallerTests.swift:47 - XCTAssertEqual failed: ("1") is not equal to ("0")

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1219.19 ms	1250.82 ms	31.62 ms
Size	24.14 KiB	1.02 MiB	1017.43 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
c174e5e	1209.65 ms	1238.73 ms	29.08 ms
55f739c	1226.06 ms	1248.78 ms	22.71 ms
ad61b1d	1229.93 ms	1261.00 ms	31.07 ms
d637379	1226.43 ms	1250.77 ms	24.34 ms
588dd7c	1235.11 ms	1241.76 ms	6.65 ms
9ccc0f5	1227.59 ms	1264.07 ms	36.47 ms
2bddb03	1214.11 ms	1246.78 ms	32.67 ms
8047b99	1226.37 ms	1246.63 ms	20.26 ms
ed85746	1231.79 ms	1248.55 ms	16.75 ms
2b02431	1229.63 ms	1248.98 ms	19.35 ms

App size

Revision	Plain	With Sentry	Diff
c174e5e	23.75 KiB	953.92 KiB	930.16 KiB
55f739c	23.75 KiB	858.73 KiB	834.98 KiB
ad61b1d	24.15 KiB	1.01 MiB	1014.91 KiB
d637379	23.75 KiB	855.38 KiB	831.63 KiB
588dd7c	23.75 KiB	938.33 KiB	914.58 KiB
9ccc0f5	24.14 KiB	1.01 MiB	1014.11 KiB
2bddb03	23.75 KiB	891.01 KiB	867.26 KiB
8047b99	23.75 KiB	855.37 KiB	831.62 KiB
ed85746	23.75 KiB	920.83 KiB	897.08 KiB
2b02431	23.75 KiB	850.73 KiB	826.98 KiB