LU-2764 tests: Remove obsolete comment in local.sh

LU-2764 tests: Remove obsolete comment in local.sh

The comment above LOAD_MODULES_REMOTE in local.sh was written for the
special case of the 2.3 OSS stack and is no longer applicable to
current master.

Signed-off-by: Li Wei <wei.g.li@intel.com>
Change-Id: I75518e9cebfa717ccfb625e2786c8d191c6bddbc
Reviewed-on: http://review.whamcloud.com/5277
Tested-by: Hudson
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>