cleaned bazel, removed depricated tests

...eration/src/test/resources/test_msgs/srv/EmptyRespSrv.srv

..._generation/src/test/resources/test_msgs/srv/EmptySrv.srv

...eneration/src/test/resources/test_msgs/srv/ListReturn.srv

...n/src/test/resources/test_msgs/srv/MultipleAddTwoInts.srv

...eration/src/test/resources/test_msgs/srv/StringString.srv

...ration/src/test/resources/test_msgs/srv/TransitiveSrv.srv

package.xml