RUMM-2329: Remove deprecated APIs

[0xnm]

What does this PR do?

This change removes public APIs which were deprecated in the previous SDK version and now can be safely removed.

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)

[codecov-commenter]

Codecov Report

Merging #973 (f1890e1) into develop (67dac2c) will decrease coverage by 0.16%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #973      +/-   ##
===========================================
- Coverage    83.18%   83.02%   -0.16%     
===========================================
  Files          268      268              
  Lines         9264     9212      -52     
  Branches      1491     1485       -6     
===========================================
- Hits          7706     7648      -58     
- Misses        1148     1154       +6     
  Partials       410      410              

Impacted Files	Coverage Δ
...main/kotlin/com/datadog/android/DatadogEndpoint.kt	0.00% <ø> (ø)
...atadog/android/core/configuration/Configuration.kt	98.68% <ø> (-0.19%)	⬇️
.../main/kotlin/com/datadog/android/rum/RumMonitor.kt	78.26% <ø> (+3.26%)	⬆️
.../android/rum/internal/monitor/DatadogRumMonitor.kt	95.09% <ø> (-0.06%)	⬇️
...ndroid/core/internal/persistence/file/EventMeta.kt	70.00% <0.00%> (-20.00%)	⬇️
.../datadog/android/rum/webview/RumWebChromeClient.kt	78.26% <0.00%> (-3.22%)	⬇️
...com/datadog/android/compose/InteractionTracking.kt	73.55% <0.00%> (-2.31%)	⬇️
...tadog/android/tv/LeanbackViewAttributesProvider.kt	84.21% <0.00%> (-2.00%)	⬇️
...android/rum/internal/ndk/DatadogNdkCrashHandler.kt	86.96% <0.00%> (-1.63%)	⬇️
.../android/rum/internal/tracking/ViewLoadingTimer.kt	93.33% <0.00%> (-0.22%)	⬇️
... and 11 more