remove redundant commands from test

tests/unit/git_6.bats

@@ -4,8 +4,6 @@ load test_helper
 
 setup() {
   global_setup
-  create_app
-  deploy_app
   touch /home/dokku/.ssh/known_hosts
   chown dokku:dokku /home/dokku/.ssh/known_hosts
   touch /home/dokku/data/git/$TEST_APP
@@ -13,7 +11,6 @@ setup() {
 
 teardown() {
   rm -f /home/dokku/.ssh/id_rsa.pub || true
-  destroy_app
   global_teardown
 }