Downgrade pylint and remove pylint CI workflow

[bestquark]

Context for changes

Downgradepylint to v2.13.5 to allow the use of the no-self-use flag in unit tests and remove pylint CI workflow as this is covered by code-factor.

• New features:
  • N/A
• Bug fixes:
  • Fix incompatibility between code-factor and pylint CI check
• Improvements:
  • N/A
• Documentation changes:
  • N/A

Example usage and tests

• Not Applicable

Performance results justifying changes

• Not Applicable

Workflow actions and tests

• Not Applicable

Expected benefits and drawbacks

Expected benefits:

• Remove duplicated pylint check.

Possible drawbacks:

• If we stop using Codefactor we need to reintroduce pylint action to the CI workflow.

Related Github issues

• Not Applicable

Checklist and integration statements

• My Python and C++ codes follow this project's coding and commenting styles as indicated by existing files. Precisely, the changes conform to given black, docformatter and pylint configurations.
• I have performed a self-review of these changes, checked my code (including for codefactor compliance), and corrected misspellings to the best of my capacity. I have synced this branch with others as required.
• I have added context for corresponding changes in documentation and README.md as needed.
• I have added new workflow CI tests for corresponding changes, ensuring codecoverage is 95% or better, and these pass locally for me.
• I have updated CHANGELOG.md following the template. I recognize that the developers may revisit CHANGELOG.md and the versioning, and create a Special Release including my changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.19%. Comparing base (763e107) to head (d5ae8df).
Report is 13 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #107   +/-   ##
=======================================
  Coverage   96.19%   96.19%           
=======================================
  Files          36       36           
  Lines        2209     2209           
=======================================
  Hits         2125     2125           
  Misses         84       84           

Files	Coverage Δ
flamingpy/_version.py	100.00% <100.00%> (ø)

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[sduquemesa]

Thanks @bestquark for saving devs from some headaches! 😎