Cleanup testrepository and os-testr requirements

We have migrated to stestr for a while, however the related requirements
is not updated, this patch does the cleanup, also updates requirements
for stestr.

Change-Id: I9c8cf2f90ced2261293f91faefc3099740540fe7
Signed-off-by: Zhao Chao <zhaochao1984@gmail.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 7b7945b7..803001aa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,6 @@ install_command = pip install \
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands = find ./trove -type f -name "*.pyc" -delete
-           rm -f .testrepository/times.dbm
            rm -f trove_test.sqlite
            stestr run --serial '{posargs}'
            stestr slowest