Update bash scripts for training in the cluster

[sfmig]

• Use source activate rather than conda activate in hpc
• Remove source bashrc

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.69%. Comparing base (5d58d85) to head (16f6470).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #234      +/-   ##
==========================================
- Coverage   47.75%   47.69%   -0.07%     
==========================================
  Files          24       24              
  Lines        1493     1495       +2     
==========================================
  Hits          713      713              
- Misses        780      782       +2     

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