Fix rviz path

Signed-off-by: Ryan Friedman <ryanfriedman5410+github@gmail.com>

Author: Ryanf55

launch/load_vrt_launch.xml

@@ -14,6 +14,6 @@
     </node>
 
     <group if="$(var rviz)">
-        <node exec="rviz2" name="rviz2" pkg="rviz2" args="-d $(find-pkg-share grid_map_geo)/launch/config.rviz"/>
+        <node exec="rviz2" name="rviz2" pkg="rviz2" args="-d $(find-pkg-share grid_map_geo)/rviz/config.rviz"/>
     </group>
 </launch>