Clean up use cases, add new tabular prediction on MIMICIV

[amrit110]

PR Type ([Feature | Fix | Documentation | Test])

Cleanup

Short Description

• Remove cluttered use cases directory
• Add new use case notebook to demonstrate a tabular model by aggregating time series data

Tests Added

...

[codecov]

Codecov Report

Merging #510 (76828d3) into main (8a0ef2f) will increase coverage by 0.01%.
The diff coverage is 80.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #510      +/-   ##
==========================================
+ Coverage   63.36%   63.37%   +0.01%     
==========================================
  Files          95       95              
  Lines        9427     9427              
==========================================
+ Hits         5973     5974       +1     
+ Misses       3454     3453       -1     

Files	Coverage Δ
cyclops/process/aggregate.py	74.66% <80.00%> (+0.45%)	⬆️