Remove codeql analysis

[blink1073]

Fixes #660

[codecov-commenter]

Codecov Report

Merging #664 (962efea) into main (ee01e19) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #664      +/-   ##
==========================================
+ Coverage   77.80%   77.82%   +0.01%     
==========================================
  Files         110      110              
  Lines       10415    10415              
  Branches     1401     1401              
==========================================
+ Hits         8103     8105       +2     
+ Misses       1924     1923       -1     
+ Partials      388      387       -1     

Impacted Files	Coverage Δ
jupyter_server/tests/services/kernels/test_api.py	97.82% <0.00%> (+1.44%)	⬆️

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[Zsailer]

Nice! Thanks!