Camera: further sepolicy cleanup

Test: no se denial during video recording, and recording works
Bug: 34386025
Change-Id: I63596ba0cad97f8727111b50a5340e193f72aeb7
diff --git a/sepolicy/hal_camera.te b/sepolicy/hal_camera.te
index 3f44473..394b0e3 100644
--- a/sepolicy/hal_camera.te
+++ b/sepolicy/hal_camera.te
@@ -25,10 +25,6 @@
 
 allow hal_camera qdisplay_service:vndservice_manager find;
 
-# talk to system_server
-
-allow hal_camera system_server:unix_stream_socket { read write };
-
 allow hal_camera self:socket { create ioctl read write };
 
 # Grant access to Qualcomm MSM Interface (QMI) radio sockets