perf test: Remove tarpkg at end of test

Signed-off-by: Josh Poimboeuf <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/make

···
 tarpkg:
 	@cmd="$(PERF)/tests/perf-targz-src-pkg $(PERF)"; \
 	echo "- $@: $$cmd" && echo $$cmd > $@ && \
-	( eval $$cmd ) >> $@ 2>&1
+	( eval $$cmd ) >> $@ 2>&1 && \
+	rm -f $@
 
 make_kernelsrc:
 	@echo "- make -C <kernelsrc> tools/perf"