Revert "[Python]Don't stage beam SDK in Stager"

[damccorm]

Reverts #27436

This is causing issues in RC validation (addresses #28084)

[damccorm]

R: @tvalentyn @AnandInguva @lostluck

[github-actions]

Stopping reviewer notifications for this pull request: review requested by someone other than the bot, ceding control

[codecov]

Codecov Report

Merging #28094 (ace89c9) into master (a46a35b) will increase coverage by 0.01%.
Report is 1 commits behind head on master.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #28094      +/-   ##
==========================================
+ Coverage   72.30%   72.32%   +0.01%     
==========================================
  Files         678      678              
  Lines       99775    99759      -16     
==========================================
+ Hits        72147    72154       +7     
+ Misses      26065    26042      -23     
  Partials     1563     1563              

Flag	Coverage Δ
go	53.71% <ø> (+0.05%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...dks/python/apache_beam/options/pipeline_options.py	94.53% <ø> (ø)
...s/python/apache_beam/runners/portability/stager.py	84.22% <ø> (-0.17%)	⬇️

... and 4 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[tvalentyn]

discussed offline, working on a simple fix-forward PR

[damccorm]

(leaving open in case there are issues with the forward fix)