Update example_polygon_epfl.yaml

Author: rikba

polygon_coverage_ros/cfg/polygons/example_polygon_epfl.yaml

@@ -10,7 +10,7 @@ polygon:
   polygon:
     holes:
     - points:
-      - {x: 78.51479760119328, y: 87.5900261545986, z: 4.0, z: 4.0}
+      - {x: 78.51479760119328, y: 87.5900261545986, z: 4.0}
       - {x: 75.81412747180828, y: 83.11369050451074, z: 4.0}
       - {x: 67.07094748799614, y: 74.85507053682443, z: 4.0}
       - {x: 62.862665998117784, y: 78.22398236439534, z: 4.0}