hal_camera: remove video_device restriction

Disallowing other HALs access to video_device does not appear to be
enforceable.

Bug: 37669506
Test: build policy. Neverallow rules are build time test and do not
      impact the policy binary.
Change-Id: Iea401de08a63f3261a461f67b85113a9d838e88a

public/hal_camera.te

@@ -32,6 +32,5 @@ neverallow hal_camera { file_type fs_type }:file execute_no_trans;
 # hal_camera should never need network access. Disallow network sockets.
 neverallow hal_camera domain:{ tcp_socket udp_socket rawip_socket } *;
 
-# Only camera HAL may directly access the camera and video hardware
+# Only camera HAL may directly access the camera hardware
 neverallow { halserverdomain -hal_camera_server } camera_device:chr_file *;
-neverallow { halserverdomain -coredomain -hal_camera_server } video_device:chr_file *;