Update robot_descriptions/g1_mj_description.py

Co-authored-by: Stéphane Caron <1189580+stephane-caron@users.noreply.github.com>

Author: jonzamora

robot_descriptions/g1_mj_description.py

@@ -18,4 +18,6 @@
 
 PACKAGE_PATH: str = _path.join(REPOSITORY_PATH, "unitree_g1")
 
-MJCF_PATH: str = _path.join(PACKAGE_PATH, "g1_with_hands.xml")
+MJCF_PATH: str = _path.join(PACKAGE_PATH, "g1.xml")
+
+MJCF_PATH_WITH_HANDS: str = _path.join(PACKAGE_PATH, "g1_with_hands.xml")