Merge branch 'ds/p2000-fix-grep-sparse'

Fix perf test.

* ds/p2000-fix-grep-sparse:
  p2000: remove stray '--sparse' flag from test

Author: gitster

t/perf/p2000-sparse-operations.sh

@@ -124,6 +124,6 @@ test_perf_on_all git read-tree -mu HEAD
 test_perf_on_all git checkout-index -f --all
 test_perf_on_all git update-index --add --remove $SPARSE_CONE/a
 test_perf_on_all "git rm -f $SPARSE_CONE/a && git checkout HEAD -- $SPARSE_CONE/a"
-test_perf_on_all git grep --cached --sparse bogus -- "f2/f1/f1/*"
+test_perf_on_all git grep --cached bogus -- "f2/f1/f1/*"
 
 test_done