Remove development builds

[seherv]

Description

Removes the setup.py files that created separate -dev builds for all packages, and updates docs to instruct users to install directly from source if they need the latest changes in main.

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #961

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[sicoyle]

pls resolve the conflicts @seherv

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.53%. Comparing base (bffb749) to head (0d90170).
⚠️ Report is 125 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1020      +/-   ##
==========================================
- Coverage   86.63%   81.53%   -5.10%     
==========================================
  Files          84      138      +54     
  Lines        4473    13482    +9009     
==========================================
+ Hits         3875    10992    +7117     
- Misses        598     2490    +1892     

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