Fix todo that is not needed anymore stestr conf

Stestr conf was using the wrong module name so tox would not work (I
have no idea how that passes tempest gates) So fixing that so tox works
(on an env that has tempest setup) and removed todos that the force
deletion has been merged

Change-Id: Ib47148c5e28acaae7cd5872a1af3e7d044336ea1

.stestr.conf

@@ -1,3 +1,3 @@
 [DEFAULT]
-test_path=./mistral-tempest-plugin/tests
+test_path=mistral_tempest_tests
 top_dir=./

mistral_tempest_tests/services/base.py

@@ -81,16 +81,11 @@ class MistralClientBase(rest_client.RestClient):
 
     def delete_obj(self, obj, name, force=None):
         if force:
-            # TODO(apetrich) This try except is a partial implementation
+            return self.delete('{obj}/{name}?force={force}'.format(
-            # to be removed once force deletion lands in mistral
+                obj=obj,
-            try:
+                name=name,
-                return self.delete('{obj}/{name}?force={force}'.format(
+                force=bool(force))
-                    obj=obj,
+            )
-                    name=name,
-                    force=bool(force))
-                )
-            except Exception:
-                pass
 
         return self.delete('{obj}/{name}'.format(obj=obj, name=name))