do not mount the debugfs on userdebug builds

Bug: 186500818
Change-Id: Ic22af74fa850b1072c3dc781a3b49ae95a9156ba
Signed-off-by: Aaron Ding <aaronding@google.com>
diff --git a/conf/init.debug.rc b/conf/init.debug.rc
index aa957bc..e8039e0 100644
--- a/conf/init.debug.rc
+++ b/conf/init.debug.rc
@@ -1,6 +1,3 @@
-on early-init
-    mount debugfs /sys/kernel/debug /sys/kernel/debug
-
 # SJTAG
 on init
     chown system system /sys/devices/platform/sjtag_ap/interface/access_lvl