<chore>(sci): Update commenting format to work with doxygen.

minor

Updates commenting format to be compatable with doxygen software. Folders
with doxygen output now available in database. Also removes some unused
Fortran code from database. Comments made to mainn, cpagen, calcSig.f90,
ccrlu.f90, and clubk.f90. Code no longer available cmplxLin.f90,
cpaBisect.f90, and herakl.f90.

Comments #2