Remove obsolete configure option for shared file storage

This patch removes an obsolete configure option related
to shared file storage. It was remove a while ago, but
accidentally reintroduced through a merge.
Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Jose Lopes <jabolopes@google.com>

Makefile.am

@@ -1630,7 +1630,6 @@ lib/_autoconf.py: Makefile | stamp-directories
 	  echo "XEN_KERNEL = '$(XEN_KERNEL)'"; \
 	  echo "XEN_INITRD = '$(XEN_INITRD)'"; \
 	  echo "KVM_KERNEL = '$(KVM_KERNEL)'"; \
-	  echo "SHARED_FILE_STORAGE_DIR = '$(SHARED_FILE_STORAGE_DIR)'"; \
 	  echo "IALLOCATOR_SEARCH_PATH = [$(IALLOCATOR_SEARCH_PATH)]"; \
 	  echo "KVM_PATH = '$(KVM_PATH)'"; \
 	  echo "IP_PATH = '$(IP_PATH)'"; \

configure.ac

@@ -128,15 +128,6 @@ AC_ARG_WITH([kvm-kernel],
   [kvm_kernel="/boot/vmlinuz-3-kvmU"])
 AC_SUBST(KVM_KERNEL, $kvm_kernel)
 
-# --with-shared-file-storage-dir=...
-AC_ARG_WITH([shared-file-storage-dir],
-  [AS_HELP_STRING([--with-shared-file-storage-dir=PATH],
-    [directory to store files for shared file-based backend]
-    [ (default is /srv/ganeti/shared-file-storage)]
-  )],
-  [[shared_file_storage_dir="/srv/ganeti/shared-file-storage"]])
-AC_SUBST(SHARED_FILE_STORAGE_DIR, $shared_file_storage_dir)
-
 # --with-kvm-path=...
 AC_ARG_WITH([kvm-path],
   [AS_HELP_STRING([--with-kvm-path=PATH],