remove last ch-system-xxx id's in chapter 7

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11980 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter02/stages.xml

@@ -80,8 +80,8 @@
          <para> The virtual file systems must be mounted.  This can be done
          before or after entering chroot by changing to a host virtual terminal
          and, as root, running the commands in 
-         <xref linkend='ch-system-bindmount'/> and 
-         <xref linkend='ch-system-kernfsmount'/>.</para>
+         <xref linkend='ch-tools-bindmount'/> and 
+         <xref linkend='ch-tools-kernfsmount'/>.</para>
       </listitem>
     </itemizedlist>
   </sect2>

chapter07/chroot.xml

@@ -58,8 +58,8 @@
     chapter and the following chapters are run from within the chroot
     environment. If you leave this environment for any reason (rebooting for
     example), ensure that the virtual kernel filesystems are mounted as
-    explained in <xref linkend="ch-system-bindmount"/> and <xref
-    linkend="ch-system-kernfsmount"/> and enter chroot again before continuing
+    explained in <xref linkend="ch-tools-bindmount"/> and <xref
+    linkend="ch-tools-kernfsmount"/> and enter chroot again before continuing
     with the installation.</para>
   </note>
 

chapter07/kernfs.xml

@@ -42,7 +42,7 @@ mknod -m 666 $LFS/dev/null c 1 3</userinput></screen>
 
   </sect2>
 
-  <sect2 id="ch-system-bindmount">
+  <sect2 id="ch-tools-bindmount">
     <title>Mounting and Populating /dev</title>
 
       <para>The recommended method of populating the <filename
@@ -64,7 +64,7 @@ mknod -m 666 $LFS/dev/null c 1 3</userinput></screen>
 
   </sect2>
 
-  <sect2 id="ch-system-kernfsmount">
+  <sect2 id="ch-tools-kernfsmount">
     <title>Mounting Virtual Kernel File Systems</title>
 
       <para>Now mount the remaining virtual kernel filesystems:</para>

chapter08/revisedchroot.xml

@@ -33,8 +33,8 @@ chroot "$LFS" /usr/bin/env -i          \
   <para>If the virtual kernel file systems have been unmounted, either manually
   or through a reboot, ensure that the virtual kernel file systems are mounted
   when reentering the chroot. This process was explained in <xref
-  linkend="ch-system-bindmount"/> and <xref
-  linkend="ch-system-kernfsmount"/>.</para>
+  linkend="ch-tools-bindmount"/> and <xref
+  linkend="ch-tools-kernfsmount"/>.</para>
 
   <para>There were several static libraries that were not suppressed earlier
   in the chapter in order to satisfy the regression tests in several packages. These