Assorted cleanups

- Remove DataDog
- Remove token_supply table
- Drop from more tables when cleaning DB for tests

test_config/test_config.go

@@ -95,10 +95,13 @@ func NewTestDB(node core.Node) *postgres.DB {
 
 func CleanTestDB(db *postgres.DB) {
 	db.MustExec("DELETE FROM blocks")
-	db.MustExec("DELETE FROM headers")
 	db.MustExec("DELETE FROM checked_headers")
+	// can't delete from eth_nodes since this function is called after the required eth_node is persisted
+	db.MustExec("DELETE FROM goose_db_version")
+	db.MustExec("DELETE FROM headers")
 	db.MustExec("DELETE FROM log_filters")
 	db.MustExec("DELETE FROM logs")
+	db.MustExec("DELETE FROM queued_storage")
 	db.MustExec("DELETE FROM receipts")
 	db.MustExec("DELETE FROM transactions")
 	db.MustExec("DELETE FROM watched_contracts")