renamed DEU_Ffb-1_4_T-1 to DEU_Ffb-1_6_T-1

scenarios/hand-crafted/DEU_Ffb-1_4_T-1.xml → scenarios/hand-crafted/DEU_Ffb-1_6_T-1.xml

 <?xml version="1.0" encoding="utf-8"?>
-<commonRoad affiliation="Technical University of Munich, Germany" author="Moritz Klischat, Vanessa Bui, Markus Koschi, Sebastian Lutz" benchmarkID="DEU_Ffb-1_4_T-1" commonRoadVersion="2018b" date="2019-06-05" source="Bing Maps" tags="urban two_lane oncoming_traffic intersection turn_left speed_limit critical emergency_braking" timeStepSize="0.1">
+<commonRoad affiliation="Technical University of Munich, Germany" author="Moritz Klischat, Vanessa Bui, Markus Koschi, Sebastian Lutz" benchmarkID="DEU_Ffb-1_6_T-1" commonRoadVersion="2018b" date="2019-06-05" source="Bing Maps" tags="urban two_lane oncoming_traffic intersection turn_left speed_limit critical emergency_braking" timeStepSize="0.1">
   <lanelet id="49564">
      <leftBound>
         <point>