Remove the database_loop_timeout flag

The change this protected was rolled back as it had adverse effects, so
this flag no longer triggers anything.

Bug: 319563050
Test: TreeHugger
Change-Id: I3fe1d9c812258711e81a8301a44d050596bb1fc9
diff --git a/keystore2/aconfig/flags.aconfig b/keystore2/aconfig/flags.aconfig
index 856b42e..075cc7d 100644
--- a/keystore2/aconfig/flags.aconfig
+++ b/keystore2/aconfig/flags.aconfig
@@ -24,11 +24,3 @@
   bug: "283077822"
   is_fixed_read_only: true
 }
-
-flag {
-  name: "database_loop_timeout"
-  namespace: "hardware_backed_security"
-  description: "Abandon Keystore database retry loop after an interval"
-  bug: "319563050"
-  is_fixed_read_only: true
-}
\ No newline at end of file