policycoreutils: fixfile use find -delete instead of pipe to rm

fixfiles uses a find command then than pipes that to rm -f.  Just use
the find delete predicate instead of causing all of those extra calls to
rm.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Dan Walsh <dwalsh@redhat.com>

policycoreutils/scripts/fixfiles

@@ -146,7 +146,7 @@ exit $?
 
 fullrelabel() {
     logit "Cleaning out /tmp"
-    find /tmp/ -mindepth 1 -print0 | xargs -0 /bin/rm -f
+    find /tmp/ -mindepth 1 -delete
     LogReadOnly
     restore
 }