Sequences: Remove unused method nextAccountId

Change-Id: I2cf687b1a41185398b0d5a7cf50a2359f1a53bcc
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/Sequences.java b/gerrit-server/src/main/java/com/google/gerrit/server/Sequences.java
index 12865d2..28fde9e 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/Sequences.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/Sequences.java
@@ -136,11 +136,6 @@
   }
 
   @SuppressWarnings("deprecation")
-  private static int nextAccountId(ReviewDb db) throws OrmException {
-    return db.nextAccountId();
-  }
-
-  @SuppressWarnings("deprecation")
   private static int nextChangeId(ReviewDb db) throws OrmException {
     return db.nextChangeId();
   }