Fix kinesis test failure

Replication tests was running twice, once as test replication and another time as test snapshot, despite snapshot is not supported by kinesis.

---

Pull Request resolved: #71
commit_hash:ecf8c70a9c40b03492b78681ec6ec0e970cefeee

tests/e2e/kinesis2ch/replication/check_db_test.go

@@ -108,7 +108,3 @@ func TestReplication(t *testing.T) {
 		User:       target.User,
 	})
 }
-
-func TestSnapshot(t *testing.T) {
-	TestReplication(t)
-}