Revert "[dashboard] Fix RAY_RAYLET_PID KeyError on Windows (#12948)" (#13572)
Revert "[dashboard] Fix RAY_RAYLET_PID KeyError on Windows (#12948)" (#13572)

This reverts commit ef6d859e9b7e91210683da8fd4b0897ecb0eee69.
ray-project/ray,ray-project/ray,ray-project/ray,pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1,ray-project/ray,ray-project/ray,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1