TrivialFix: Remove unnecessary import

print_function was being imported, but
not used in the module.

Change-Id: Ie460cbe4779005e284af0652a14112c1939d4855
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>
diff --git a/manila_tempest_tests/config.py b/manila_tempest_tests/config.py
index 2205f6b..18f4be5 100644
--- a/manila_tempest_tests/config.py
+++ b/manila_tempest_tests/config.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from __future__ import print_function
-
 from oslo_config import cfg
 
 service_option = cfg.BoolOpt("manila",