Fix volume to support not binding volumes to host

lib/ansible/modules/cloud/docker/docker_container.py

@@ -831,7 +831,7 @@ class TaskParameters(DockerBaseClass):
                     host = os.path.abspath(host)
                     new_vols.append("%s:%s:rw" % (host, container))
             else:
-                new_vols.append("%s:%s:rw" % (os.path.abspath(vol), vol))
+                new_vols.append(vol)
         return new_vols
 
     def _get_mounts(self):
@@ -940,11 +940,6 @@ class TaskParameters(DockerBaseClass):
                         bind=container,
                         mode=mode
                     )
-                else:
-                    self.volume_binds[vol] = dict(
-                        bind=vol,
-                        mode='rw'
-                    )
 
 
     def _parse_exposed_ports(self):