split hdfs into extra

[damccorm]

This is only used by request response users who are using the hadoop file system, and it causes some users install issues, so there's no reason to bundle them into the main installable

Part of #34554

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[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 40.42%. Comparing base (9516397) to head (0d1563e).
⚠️ Report is 75 commits behind head on master.

Files with missing lines	Patch %	Lines
sdks/python/apache_beam/io/hadoopfilesystem.py	66.66%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #36773      +/-   ##
============================================
+ Coverage     40.28%   40.42%   +0.13%     
  Complexity     3457     3457              
============================================
  Files          1223     1226       +3     
  Lines        187539   187949     +410     
  Branches       3587     3587              
============================================
+ Hits          75546    75972     +426     
+ Misses       108601   108585      -16     
  Partials       3392     3392              

Flag	Coverage Δ
python	40.76% <66.66%> (+0.33%)	⬆️

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