エラー回避用のdummyジョイントの定義を削除

Author: YusukeKato

urdf/crane_x7_wide_two_finger_gripper.xacro

@@ -78,15 +78,6 @@
       </inertial>
     </link>
 
-    <!--Dummy joint/link to prevent error with mimic joint
-    See https://github.com/ros-controls/gazebo_ros2_control/issues/173
-    -->
-    <joint name="${name_joint_gripper_finger_b}_mimic" type="fixed">
-      <parent link="world" />
-      <child link="dummy_mimic_fix" />
-    </joint>
-    <link name="dummy_mimic_fix"/>
-
     <joint name="${name_joint_gripper_finger_b}" type="revolute">
       <origin xyz="0.012 0.0 0.024" rpy="0 0 0"/>
       <axis xyz="0 1 0"/>