chore: Remove unused singleton for SentryNSProcessInfoWrapper

[philprime]

I could not find a use case of this, so we can remove it.

#skip-changelog

[itaybre]

LGTM

[philprime]

Moving back to draft because it seems to have issues I need to investigate.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.286%. Comparing base (5258fb8) to head (daa03d1).
Report is 1 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #5463       +/-   ##
=============================================
+ Coverage   86.283%   86.286%   +0.002%     
=============================================
  Files          407       407               
  Lines        35096     35089        -7     
  Branches     15234     15233        -1     
=============================================
- Hits         30282     30277        -5     
- Misses        4768      4769        +1     
+ Partials        46        43        -3     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryNSProcessInfoWrapper.mm	83.333% <ø> (+16.666%)	⬆️

... and 5 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 5258fb8...daa03d1. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1226.00 ms	1255.22 ms	29.22 ms
Size	23.75 KiB	874.17 KiB	850.42 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
b714cb9	1224.71 ms	1238.04 ms	13.33 ms
55f739c	1226.06 ms	1248.78 ms	22.71 ms
65f8d2e	1221.15 ms	1243.96 ms	22.81 ms
32e7197	1226.91 ms	1245.48 ms	18.56 ms
d7461dc	1233.69 ms	1255.29 ms	21.60 ms
b0e13a7	1227.71 ms	1245.88 ms	18.16 ms
f92cfa9	1228.45 ms	1251.33 ms	22.88 ms
2609f7a	1218.17 ms	1241.34 ms	23.17 ms
e18d392	1228.69 ms	1244.43 ms	15.73 ms
e64d3d4	1241.90 ms	1260.10 ms	18.20 ms

App size

Revision	Plain	With Sentry	Diff
b714cb9	23.75 KiB	858.69 KiB	834.93 KiB
55f739c	23.75 KiB	858.73 KiB	834.98 KiB
65f8d2e	23.74 KiB	872.67 KiB	848.93 KiB
32e7197	23.75 KiB	866.69 KiB	842.94 KiB
d7461dc	23.75 KiB	874.45 KiB	850.70 KiB
b0e13a7	23.75 KiB	860.98 KiB	837.23 KiB
f92cfa9	23.75 KiB	855.38 KiB	831.62 KiB
2609f7a	23.75 KiB	867.04 KiB	843.29 KiB
e18d392	23.75 KiB	866.68 KiB	842.93 KiB
e64d3d4	23.75 KiB	855.37 KiB	831.62 KiB