CI: 158 fix local testing

[Miksus]

Resolves #158. This PR renames the pytest command-line argument --no-build (default False) to --check-build (default False) so that local testing won't require an argument by default and they won't test the version. The CI build tests have this argument set.

[Miksus]

This PR also removes two outdated and unused workflows from CI.

[codecov-commenter]

Codecov Report

Base: 95.36% // Head: 95.36% // No change to project coverage :thumbsup:

Coverage data is based on head (22e0dd0) compared to base (cced194). Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #162   +/-   ##
=======================================
  Coverage   95.36%   95.36%           
=======================================
  Files          80       80           
  Lines        4660     4660           
=======================================
  Hits         4444     4444           
  Misses        216      216           

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