COMP: Move macro defines to implementation file

Moved the macro definitions in SUBFIND.h to the
corresponding implementation file, since those are
only used internally by the SUBFIND algorithm. This
fixes an issue where the macro definition of C was
colliding with a variable in CosmoHaloFinderM.

From: George Zagaris <george.zagaris@kitware.com>

git-svn-id: https://svn.alcf.anl.gov/repos/DarkUniverse/hacc/trunk/cosmotools@2159 952bdfbe-fa2e-45c0-a9ae-ac90d4a62daf
STYLE: ifdef debug statements in SUBFIND

From: George Zagaris <george.zagaris@kitware.com>

git-svn-id: https://svn.alcf.anl.gov/repos/DarkUniverse/hacc/trunk/cosmotools@2160 952bdfbe-fa2e-45c0-a9ae-ac90d4a62daf
Merge branch 'svn/trunk'