Remove net_bt_stack group and replace it with bluetooth

Bug: 31549206
Change-Id: Ie0f68ff65712c8ed930fd0e3547e0dd84ae7dcfe
diff --git a/init.hikey.rc b/init.hikey.rc
index b117931..f990a3e 100644
--- a/init.hikey.rc
+++ b/init.hikey.rc
@@ -91,7 +91,7 @@
 service uim /system/bin/uim
     class main
     user bluetooth
-    group bluetooth net_bt_admin system net_bt_stack
+    group bluetooth net_bt_admin system
     oneshot
 
 service wpa_supplicant /system/bin/wpa_supplicant \