Removed unused and broken CLI for sending SPA workflow ISPyB messages

[tieneupin]

This aforementioned CLI hasn't been used in a while and contains Murfey imports that are quite a few patches out of date. This PR removes the CLI from the code base.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 39.30%. Comparing base (13f35a7) to head (2e669e0).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #710      +/-   ##
==========================================
+ Coverage   38.79%   39.30%   +0.51%     
==========================================
  Files          99       98       -1     
  Lines       11675    11523     -152     
  Branches     1544     1533      -11     
==========================================
  Hits         4529     4529              
+ Misses       6946     6794     -152     
  Partials      200      200              

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