Remove complexity fixes, addressing issue 46

[sgoodlett]

Fixing #46
Changed:

• ProjectionOp:
  • Cleaned up some old commented code
• Salc
  • Added attribute remove_complex that defaults to False and is set to True once finish_building(remove_complexity=True) is executed

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
molsym/salcs/salc.py	66.66%	1 Missing ⚠️

Flag	Coverage Δ
unittests	75.56% <66.66%> (-0.03%)	⬇️

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

Files with missing lines	Coverage Δ
molsym/salcs/projection_op.py	38.20% <ø> (ø)
molsym/salcs/salc.py	37.01% <66.66%> (-0.25%)	⬇️

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[nlk36701]

Looks good to me.