Cleanup requirements and update them

[jedie]

• Remove obsolete requirements
• cleanup pytest settings
• fix make lint

[codecov-commenter]

Codecov Report

Merging #107 (077f759) into master (3ae467c) will increase coverage by 0.11%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #107      +/-   ##
==========================================
+ Coverage   83.81%   83.92%   +0.11%     
==========================================
  Files          40       40              
  Lines         834      840       +6     
==========================================
+ Hits          699      705       +6     
  Misses        135      135              

Impacted Files	Coverage Δ
huey_monitor/tqdm.py	100.00% <100.00%> (ø)
huey_monitor_tests/tests/test_tqdm.py	100.00% <100.00%> (ø)

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