Removed ROS2 gem dependency as it's not required in this project (#9)

Configured the project in windows successfully.

Signed-off-by: moraaar <[email protected]>

README.md

@@ -7,8 +7,7 @@ The purpose of this project is to test the O3DE physics capabilities in the cont
 
 ## Requirements 
 
-- O3DE [from this repository/branch](https://github.com/michalpelka/o3de/tree/add_physx_joint_control_old)
-- O3DE ROS Gem [from this repository/branch](https://github.com/RobotecAI/o3de-ros2-gem/tree/mecanum_control)
+- O3DE [from this repository/branch](https://github.com/o3de/o3de)
 
 ## Running the demo
 

project.json

@@ -16,6 +16,5 @@
     "external_subdirectories": [
         "Gem"
     ],
-    "restricted": "o3de-physics-test-scene",
-    "gem_names": ["ROS2"]
+    "restricted": "o3de-physics-test-scene"
 }