Feature: Remove expanding_statistics.py & refactor math.py

[sandresen1]

No description provided.

[codecov]

Codecov Report

Merging #1195 (f709ff2) into develop (2952cf4) will decrease coverage by 0.63%.
Report is 5 commits behind head on develop.
The diff coverage is 28.57%.

❗ Current head f709ff2 differs from pull request most recent head 0a48d09. Consider uploading reports for the commit 0a48d09 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1195      +/-   ##
===========================================
- Coverage    79.03%   78.41%   -0.63%     
===========================================
  Files           62       61       -1     
  Lines         5157     5146      -11     
===========================================
- Hits          4076     4035      -41     
- Misses        1081     1111      +30     

Files	Coverage Δ
macrosynergy/management/utils/math.py	21.42% <28.57%> (-60.72%)	⬇️

... and 1 file with indirect coverage changes