Removed duplicate tar entry

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@691 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

appendixa/appendixa.xml

@@ -48,7 +48,6 @@
 &aa-shadowpwd;
 &aa-sysklogd;
 &aa-sysvinit;
-&aa-tar;
 &aa-utillinux;
 &aa-netkitbase;
 &aa-nettools;