Revert "Suppress avc denials due to missing kernel config on mixed version boot test"

This reverts commit f3f4985479536d7466b7954b49d6aac06712a603.

Reason for revert: selinux denial should be fixed by aosp/1554151

Change-Id: I9393b45a6adbfe94b24c23542c3a424a002be573
diff --git a/private/installd.te b/private/installd.te
index b0e38fb..c89ba8b 100644
--- a/private/installd.te
+++ b/private/installd.te
@@ -43,6 +43,3 @@
 # Allow installd to delete files in /data/staging
 allow installd staging_data_file:file unlink;
 allow installd staging_data_file:dir { open read remove_name rmdir search write };
-
-# TODO(b/177187042): Remove this when the denials are fixed.
-dontaudit installd device:file write;
\ No newline at end of file