Revert "Track usbd SELinux denial."

Bug: 72472544
This reverts commit 07efe37c5fc24c0da73b60c4802db759349aa04c.

Reason for revert: The selinux denial is no longer reproducible.

Test: Presubmit builds

Change-Id: I79d18743171315401401c1b06b3f97d837bf500f
diff --git a/private/bug_map b/private/bug_map
index 4b29fde..5d42ad1 100644
--- a/private/bug_map
+++ b/private/bug_map
@@ -26,6 +26,5 @@
 system_server sdcardfs file 77856826
 system_server storage_stub_file dir 112609936
 system_server zygote process 77856826
-usbd usbd capability 72472544
 vold system_data_file file 124108085
 zygote untrusted_app_25 process 77925912