Remove support for writing accounts from ReviewDb

Accounts have been fully migrated to NoteDb. However inside of Google we
still have code that depends on the Accounts table. hence this table is
dropped only later by a follow-up change.

Change-Id: Ia32983e2877e3965561db7d264cf1d2b7b2e40c3
Signed-off-by: Edwin Kempin <ekempin@google.com>

gerrit-server/src/main/java/com/google/gerrit/server/account/CreateAccount.java

@@ -174,7 +174,6 @@ public class CreateAccount implements RestModifyView<TopLevelResource, AccountIn
     accountsUpdate
         .create()
         .insert(
-            db,
             id,
             a -> {
               a.setFullName(input.name);