LU-9152 mgc: Remove unnecessary checks for config_log_put()

LU-9152 mgc: Remove unnecessary checks for config_log_put()

Because config_log_put() now checks if its parameter is NULL, it
is unnecessary to perform the check prior to calling it.  This patch
removes the redundant checks.

Signed-off-by: Steve Guminski <stephenx.guminski@intel.com>
Change-Id: Id6b1fccebd5bc53a29bc364b9a3c47956649920a
Reviewed-on: https://review.whamcloud.com/25854
Tested-by: Jenkins
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>