Implemented physics plug

Moved init_physics

Implemented physics 2D plug

Fix clang

Fix clang

Fix static check

Fix clang

Fix static check

Moved physics server initialization

Moved physics server settings initialization

platform/javascript/os_javascript.cpp

@@ -480,11 +480,6 @@ void OS_JavaScript::initialize(const VideoMode &p_desired, int p_video_driver, i
 
 	print_line("Init Physicsserver");
 
-	physics_server = memnew(PhysicsServerSW);
-	physics_server->init();
-	physics_2d_server = memnew(Physics2DServerSW);
-	physics_2d_server->init();
-
 	input = memnew(InputDefault);
 	_input = input;