Revert "update .gitmodules"

This reverts commit ff9c00ee

.gitmodules

 [submodule "src/franka_description"]
 	path = src/franka_description
-	url = https://git-st.inf.tu-dresden.de/ceti/ros/franka_description.git
+	url = ../franka_description.git
 [submodule "src/panda_moveit_config"]
 	path = src/panda_moveit_config
-	url = https://git-st.inf.tu-dresden.de/ceti/ros/panda_moveit_config.git
+	url = ../panda_moveit_config.git
 [submodule "src/panda_simulation"]
 	path = src/panda_simulation
-	url = https://git-st.inf.tu-dresden.de/ceti/ros/panda_simulation.git
+	url = ../panda_simulation.git
 [submodule "src/sample_applications"]
 	path = src/sample_applications
-	url = ../ceti/ros/sample_applications.git
+	url = ../sample_applications.git
 [submodule "src/panda_teaching"]
 	path = src/panda_teaching
-	url = https://git-st.inf.tu-dresden.de/ceti/ros/panda_teaching.git
+	url = ../panda_teaching.git
 [submodule "src/simulation_util"]
 	path = src/simulation_util
-	url = https://git-st.inf.tu-dresden.de/ceti/ros/simulation_util.git
+	url = ../simulation_util.git
 	branch = master
 [submodule "src/gazebo-pkgs"]
 	path = src/gazebo-pkgs
@@ -25,7 +25,7 @@
 	url = https://github.com/JenniferBuehler/general-message-pkgs.git
 [submodule "src/tutorial_ros_hello_world"]
 	path = src/tutorial_ros_hello_world
-	url = https://git-st.inf.tu-dresden.de/ceti/ros/ceti-summer-school/tutorial_ros_hello_world.git
+	url = ../ceti-summer-school/tutorial_ros_hello_world.git
 [submodule "src/tutorial_ros_pub_sub"]
 	path = src/tutorial_ros_pub_sub
-	url = https://git-st.inf.tu-dresden.de/ceti/ros/ceti-summer-school/tutorial_ros_pub_sub.git
+	url = ../ceti-summer-school/tutorial_ros_pub_sub.git

franka_description @ a651f4fe

+Subproject commit a651f4fee48571a0378362440a8bdc75b00479e3

gazebo-pkgs @ baf0f033

+Subproject commit baf0f033475c3a592efb0862079f3ff8392cadf6

general-message-pkgs @ f0c7a0cc

+Subproject commit f0c7a0cc811187cca8e928bc7c5906e463c24945

panda_moveit_config @ e090da26

+Subproject commit e090da261367d86bd893353693dfe79f855d0ddf

panda_simulation @ 7d6668f7

+Subproject commit 7d6668f7391901e9f1f0039c20733eec731fc68f

panda_teaching @ ac09bc48

+Subproject commit ac09bc488b23cf4655b03e77fe2c19e0645c4983

sample_applications @ 7f27b123

+Subproject commit 7f27b12305dd4abaf36175d1395642d610370668

simulation_util @ 2b1b5011

+Subproject commit 2b1b5011a2633d20721e61c5fea4bb2dd5fbbaa3

tutorial_ros_hello_world @ e5f726a0

+Subproject commit e5f726a04d5d69db9b955da8a89845e536bb0895

tutorial_ros_pub_sub @ 3b720a26

+Subproject commit 3b720a2682015eeb769643f89641a54c5169a572