clean up

[ranocha]

No description provided.

[codecov]

Codecov Report

Merging #142 (f2a27fe) into main (0efb8f2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #142   +/-   ##
=======================================
  Coverage   89.91%   89.91%           
=======================================
  Files          31       31           
  Lines        4908     4908           
=======================================
  Hits         4413     4413           
  Misses        495      495           

Flag	Coverage Δ
unittests	89.91% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/SummationByPartsOperators.jl	100.00% <ø> (ø)

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[coveralls]

Coverage remained the same at 89.914% when pulling f2a27fe on hr/clean_up into 0efb8f2 on main.