[API] Jaeger Propagator should not be deprecated

[marcalff]

Fixes #3077

Changes

Please provide a brief description of the changes here.

Revert the deprecation of the Jeager propagator.

For significant contributions please make sure you have completed the following items:

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.82%. Comparing base (497eaf4) to head (b871904).
Report is 139 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3086      +/-   ##
==========================================
+ Coverage   87.12%   87.82%   +0.71%     
==========================================
  Files         200      195       -5     
  Lines        6109     5968     -141     
==========================================
- Hits         5322     5241      -81     
+ Misses        787      727      -60     

Files with missing lines	Coverage Δ
...i/include/opentelemetry/trace/propagation/jaeger.h	97.78% <ø> (ø)

... and 125 files with indirect coverage changes