LU-4423 libcfs: Merge linux-proc.c into module.c

LU-4423 libcfs: Merge linux-proc.c into module.c

module.c was previously the sole exporter of symbols from linux-proc.c
This patch removes the global symbols by merging the two files

Linux-commit: 87643abf92484074937594897145bb53efc0e77e

Signed-off-by: Matthew Tyler <matt.tyler@flashics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change-Id: I557efbfd37b5a23d2fdd8cd5a2aa399a7a494bc6
Reviewed-on: http://review.whamcloud.com/17201
Tested-by: Jenkins
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Frank Zago <fzago@cray.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>