embit remove unused py_ripemd160.py

[tadeubas]

removing from Docker as it is used only in Python, micropython uses ripemd160 from hashlib. Also ripemd160 is only used in embit for miniscript. ripemd160 is used everywhere as hash160.

Description

What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.15%. Comparing base (981b215) to head (1c68666).
Report is 50 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #442   +/-   ##
========================================
  Coverage    94.15%   94.15%           
========================================
  Files           58       58           
  Lines         7189     7189           
========================================
  Hits          6769     6769           
  Misses         420      420           

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[odudex]

Thank you!