doc: fix date string of manual pages.

thanks to jidanni@jidanni.org
Signed-off-by: maximilian attems <maks@debian.org>

initramfs-tools.8

-.TH INITRAMFS-TOOLS 8  "Date: 2007/07/07" "" "mkinitramfs script overview"
+.TH INITRAMFS-TOOLS 8  "2007/07/07" "" "mkinitramfs script overview"
 
 .SH NAME
 initramfs-tools \- an introduction to writing scripts for mkinitramfs

initramfs.conf.5

-.TH INITRAMFS.CONF 5  "$Date: 2007/01/01 $" "" "initramfs.conf manual"
+.TH INITRAMFS.CONF 5  "2007/01/01" "" "initramfs.conf manual"
 
 .SH NAME
 initramfs.conf \- configuration file for mkinitramfs

mkinitramfs-kpkg.8

-.TH MKINITRAMFS-KPKG 8  "$Date: 2006/02/17 $" "" "mkinitramfs-kpkg manual"
+.TH MKINITRAMFS-KPKG 8  "2006/02/17" "" "mkinitramfs-kpkg manual"
 
 .SH NAME
 mkinitramfs-kpkg \- generates an initramfs image for kernel-package

mkinitramfs.8

-.TH MKINITRAMFS 8  "$Date: 2007/08/08 $" "" "mkinitramfs manual"
+.TH MKINITRAMFS 8  "2007/08/08" "" "mkinitramfs manual"
 
 .SH NAME
 mkinitramfs \- low-level tool for generating an initramfs image

update-initramfs.8

-.TH UPDATE-INITRAMFS 8  "$Date: 2006/10/12" $" "" "update\-initramfs manual"
+.TH UPDATE-INITRAMFS 8  "2006/10/12" "" "update\-initramfs manual"
 
 .SH NAME
 update\-initramfs \- generate an initramfs image

update-initramfs.conf.5

-.TH UPDATE-INITRAMFS.CONF 5  "$Date: 2007/08/09 $" "" "update-initramfs.conf manual"
+.TH UPDATE-INITRAMFS.CONF 5  "2007/08/09" "" "update-initramfs.conf manual"
 
 .SH NAME
 update-initramfs.conf \- configuration file for update-initramfs