Remove key migration related changes

Migrating keys across UIDs is no longer required

Test: m
Bug: 228999189
Change-Id: Icdecbdb3997f9c5b3d470578b1d61e580a1c3537
diff --git a/private/access_vectors b/private/access_vectors
index 0f8dd5f..6cd8c4e 100644
--- a/private/access_vectors
+++ b/private/access_vectors
@@ -729,7 +729,6 @@
 	get_state
 	list
 	lock
-	migrate_any_key
 	pull_metrics
 	report_off_body
 	reset
diff --git a/private/system_server.te b/private/system_server.te
index d3ad100..479cbf9 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -963,9 +963,7 @@
 	clear_ns
 	clear_uid
 	get_state
-	list
 	lock
-	migrate_any_key
 	pull_metrics
 	reset
 	unlock