40-configure_le5: Should never use "-r" on "rm" when not necessary

Signed-off-by: Diego Pasqualin <dpasqualin@c3sl.ufpr.br>

scripts/40-configure_le5

@@ -198,7 +198,7 @@ if cat "$INSTLIST" | grep -v "^#" | grep -q "le-plymouth"; then
     touch "$TMP"/NEW_INITRD
 fi
 
-rm -rf "$CDDIR"/wubi.exe "$CDDIR"/autorun.inf
+rm -f "$CDDIR"/wubi.exe "$CDDIR"/autorun.inf
 
 cat << EOF >> $CHROOTDIR/etc/skel/.profile
 if [ -e "/var/lib/le-search/search.xml" ]; then