Revert "update_verifier: neverallow access to 'sysfs' label."

This reverts commit a61b99bb.

Reason for revert: breaks aosp_walleye-userdebug

Change-Id: I3246b8cac862b53fc76609df60b90149fbc8098d

private/domain.te

@@ -45,6 +45,7 @@ full_treble_only(`
     -storaged
     -system_app
     -ueventd
+    -update_verifier
     -vold
     -vendor_init
   } sysfs:file no_rw_file_perms;