Don't rate limit audit messages

Previously we were rate limiting audit messages (i.e. selinux avc
denials) on boot complete, i.e. before the payload starts. This makes
it hard to diagnose selinux issues in the payload.

Bug: 218494522
Test: Run payload, see denials
Change-Id: I5fcc0e1ed23c259fd6fb53d531858cb0bdb8fe62
diff --git a/microdroid/init.rc b/microdroid/init.rc
index ebe2464..5f0001f 100644
--- a/microdroid/init.rc
+++ b/microdroid/init.rc
@@ -196,6 +196,3 @@
 "
     chown logd logd /dev/event-log-tags
     chmod 0644 /dev/event-log-tags
-
-on property:sys.boot_completed=1
-    start logd-auditctl