Removed the microstrain reference from the generic urdf file.

urdf/imu.gazebo

@@ -3,7 +3,7 @@
   <xacro:macro name="iri_imu_gazebo" params="name config">
     <xacro:property name="properties" value="${load_yaml(config)}"/>
 
-    <gazebo reference="${name}_imu">
+    <gazebo reference="${name}">
       <material>Gazebo/Black</material>
     </gazebo>
 
@@ -11,7 +11,7 @@
       <plugin name="${name}_imu_sim" filename="libhector_gazebo_ros_imu.so">
         <updateRate>${properties['rate']}</updateRate>
         <robotNamespace>${properties['namespace']}</robotNamespace>
-        <bodyName>${name}_microstrain_imu</bodyName>
+        <bodyName>${name}</bodyName>
         <topicName>${properties['imu_topic']}</topicName>
         <accelOffset>${properties['accel_offset_x']} ${properties['accel_offset_y']} ${properties['accel_offset_z']}</accelOffset>
         <accelDrift>${properties['accel_drift_x']} ${properties['accel_drift_y']} ${properties['accel_drift_z']}</accelDrift>