libsmack: clean up redundant stuff
libsmack: clean up redundant stuff

Cleaned up redundant constants and code. Grouped related constants
nearby each other.

Signed-off-by: Jarkko Sakkinen <6e0a3da6445cd298bc4a6b3aaa269075849c9510@linux.intel.com>

smack-team/smack,jobol/smack,smack-team/smack,jobol/smack