LU-2158 lvfs: Remove cruft from lvfs directory

LU-2158 lvfs: Remove cruft from lvfs directory

Some of the unnecessary cruft from within the lvfs directory was
removed by this change. Specifically, the following changes were
made:

 * Removed files:
    * Info.plist
    * lvfs_darwin.c
    * lvfs_internal.h
    * lvfs_userfs.c
 * Cleaned up the autoMakefile.am and Makefile.in files to reflect the
   removed files.

Change-Id: Icc7189912415e96b81dde384491c1948fa4ef06a
Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Christopher J. Morrone <morrone2@llnl.gov>
Reviewed-on: http://review.whamcloud.com/4858
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>