chore: Cleanup interface for SentryScreenFrames without UIKit

[noahsmartin]

I just noticed that this class had a strange pattern of logging errors when used without UIKit instead of using the macros we had defined. Updated it so it wouldn't accidentally get used, luckily it looks like there isn't a call site using it when it shouldn't

#skip-changelog

Closes #6313

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 86.724%. Comparing base (5b469c0) to head (e6daf0b).
⚠️ Report is 17 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
Sources/Sentry/SentryScreenFrames.m	0.000%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #6312       +/-   ##
=============================================
- Coverage   86.824%   86.724%   -0.101%     
=============================================
  Files          438       432        -6     
  Lines        37328     36994      -334     
  Branches     17438     15652     -1786     
=============================================
- Hits         32410     32083      -327     
+ Misses        4875      4871        -4     
+ Partials        43        40        -3     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryScreenFrames.m	76.923% <0.000%> (+0.732%)	⬆️

... and 60 files with indirect coverage changes

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[itaybre]

I am converting this to swift in here: #6094