Remove unneeded copy of lvm in initrd.

Something replaces symlinks in initrd with copies. Removed symlinks to lvm and
changed syntax (vgscan -> lvm vgscan).

svn path=/nixos/trunk/; revision=9233

boot/boot-stage-1-init.sh

@@ -76,8 +76,8 @@ udevsettle
 if type -p dmsetup > /dev/null; then
   echo "dmsetup found, starting device mapper and lvm"
   dmsetup mknodes
-  vgscan --ignorelockingfailure
-  vgchange -ay --ignorelockingfailure
+  lvm vgscan --ignorelockingfailure
+  lvm vgchange -ay --ignorelockingfailure
 fi
 
 if test -n "$debug1devices"; then fail; fi

system/system.nix

@@ -63,8 +63,6 @@ rec {
       if test -n \"$devicemapper\"; then
         cp $devicemapper/sbin/dmsetup.static $out/bin/dmsetup
         cp $lvm2/sbin/lvm.static $out/bin/lvm
-        ln -s lvm $out/bin/vgscan
-        ln -s lvm $out/bin/vgchange
       fi
       cp $utillinux/bin/mount $utillinux/bin/umount $utillinux/sbin/pivot_root $out/bin
       cp -p $e2fsprogs/sbin/fsck* $e2fsprogs/sbin/e2fsck $out/bin