move mount tracefs to init.rc

Because we mount tracefs in system/rootdir/init.rc,
we need to remove from here to avoid the avc denied
generate by mount twice

Bug: 153849221
Test: build and run avd_boot_test
Change-Id: Ic3e47dd831b11954d98f320b56894c80cf3e63dc
Merged-In: Ic3e47dd831b11954d98f320b56894c80cf3e63dc
(cherry picked from commit 46bb8a589f2718be03c6c8abba302206cb76797b)
diff --git a/shared/config/init.vendor.rc b/shared/config/init.vendor.rc
index 7c9be5d..55db430 100644
--- a/shared/config/init.vendor.rc
+++ b/shared/config/init.vendor.rc
@@ -7,8 +7,6 @@
     mkdir /dev/gce 0750
     chown system system /dev/gce
 
-    mount tracefs tracefs /sys/kernel/tracing
-
     # For KCOV
     mount debugfs debugfs /sys/kernel/debug
     chmod 0755 /sys/kernel/debug