rm error_msg from ComputeCoveragePath

Author: adivardi

opennav_coverage_bt/behavior_trees/navigate_w_basic_complete_coverage.xml

@@ -18,7 +18,7 @@
         <!-- May use:
          'polygons="{field_polygon}" polygons_frame_id="{polygon_frame_id}"' if set polygon via NavigateCompleteCoverage
          or file_field="{field_filepath}" if setting polygon file via NavigateCompleteCoverage -->
-        <ComputeCoveragePath nav_path="{path}" polygons="{field_polygon}" polygons_frame_id="{polygon_frame_id}" error_code_id="{compute_coverage_error_code}"  error_msg="{compute_coverage_error_msg}"/>
+        <ComputeCoveragePath nav_path="{path}" polygons="{field_polygon}" polygons_frame_id="{polygon_frame_id}" error_code_id="{compute_coverage_error_code}"/>
         <FollowPath path="{path}" controller_id="FollowPath" error_code_id="{follow_path_error_code}" error_msg="{follow_path_error_msg}"/>
       </Sequence>
     </RateController>

opennav_coverage_bt/behavior_trees/navigate_w_basic_complete_coverage_nav_to_start.xml

@@ -20,7 +20,7 @@
          or file_field="{field_filepath}" if setting polygon file via NavigateCompleteCoverage -->
 
          <!-- Compute path to cover fields -->
-        <ComputeCoveragePath nav_path="{path}" polygons="{field_polygon}" polygons_frame_id="{polygon_frame_id}" error_code_id="{compute_coverage_error_code}"  error_msg="{compute_coverage_error_msg}"/>
+        <ComputeCoveragePath nav_path="{path}" polygons="{field_polygon}" polygons_frame_id="{polygon_frame_id}" error_code_id="{compute_coverage_error_code}"/>
 
         <!-- Go to start of path before navigating -->
         <GetPoseFromPath path="{path}" pose="{start_pose}" index="0" />

opennav_coverage_bt/behavior_trees/navigate_w_basic_row_complete_coverage.xml

@@ -18,7 +18,7 @@
         <!-- May use:
          'polygons="{field_polygon}" polygons_frame_id="{polygon_frame_id}"' if set polygon via NavigateCompleteCoverage
          or file_field="{field_filepath}" if setting polygon file via NavigateCompleteCoverage -->
-        <ComputeCoveragePath nav_path="{path}" file_field="{field_filepath}" error_code_id="{compute_coverage_error_code}" error_msg="{compute_coverage_error_msg}"/>
+        <ComputeCoveragePath nav_path="{path}" file_field="{field_filepath}" error_code_id="{compute_coverage_error_code}"/>
         <FollowPath path="{path}" controller_id="FollowPath" error_code_id="{follow_path_error_code}" error_msg="{follow_path_error_msg}"/>
       </Sequence>
     </RateController>