removed wrong repo link

.gitmodules

@@ -16,9 +16,6 @@
 [submodule "src/rq_reconstruction"]
 	path = src/rq_reconstruction
 	url = https://mygit.th-deg.de/roboct/robo_quality/rq_reconstruction
-[submodule "src/ros2_numpy"]
-	path = src/ros2_numpy
-	url = https://github.com/Box-Robotics/ros2_numpy
 [submodule "src/ros2_numpy_win"]
 	path = src/ros2_numpy_win
 	url = https://github.com/wittlsn/ros2_numpy_win