Remove execmod from bullhead camera

No longer needed as text relocation has been removed.

Bug: 20013628

(cherry picked from commit eb70bf8c70a23ca338ab688781e937bddc08a9a7)

Change-Id: I55bf750ee554929311a89201b1a4b5da2d106eb1
diff --git a/sepolicy/camera.te b/sepolicy/camera.te
index 105f79c..1c5d5b0 100644
--- a/sepolicy/camera.te
+++ b/sepolicy/camera.te
@@ -7,8 +7,6 @@
 binder_use(camera)
 binder_call(camera, system_server)
 
-allow camera system_file:file execmod;
-
 allow camera system_server:unix_stream_socket { read write };
 
 # Interact with other media devices