perf archive: Remove -f from the rm command

In Android, rm does not support the -f parameter.

Remove -f from rm and make sure rm does not fail even if the files to be
removed are not found.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1347574063-22521-4-git-send-email-irina.tirdea@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/perf-archive.sh

@@ -24,7 +24,7 @@ NOBUILDID=0000000000000000000000000000000000000000
 perf buildid-list -i $PERF_DATA --with-hits | grep -v "^$NOBUILDID " > $BUILDIDS
 if [ ! -s $BUILDIDS ] ; then
 	echo "perf archive: no build-ids found"
-	rm -f $BUILDIDS
+	rm $BUILDIDS || true
 	exit 1
 fi
 
@@ -40,7 +40,7 @@ while read build_id ; do
 done
 
 tar cfj $PERF_DATA.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST
-rm -f $MANIFEST $BUILDIDS
+rm $MANIFEST $BUILDIDS || true
 echo -e "Now please run:\n"
 echo -e "$ tar xvf $PERF_DATA.tar.bz2 -C ~/.debug\n"
 echo "wherever you need to run 'perf report' on."