Revert "fix: add TPCH Warmup repeats and records"

This reverts commit b1af7cf.

Author: aqni

test/src/test/java/cn/edu/tsinghua/iginx/integration/warmup/SQLWarmupIT.java

@@ -40,8 +40,8 @@ public class SQLWarmupIT implements AutoCloseable {
   private static Logger LOGGER = LoggerFactory.getLogger(SQLWarmupIT.class);
 
   private static final String SQL = System.getProperty("iginx.warmup.sql", "warmup/warmup.sql");
-  private static final int WARMUP = Integer.getInteger("iginx.warmup.repeat", 10);
-  private static final int RECORD = Integer.getInteger("iginx.warmup.records", 20000);
+  private static final int WARMUP = Integer.getInteger("iginx.warmup.repeat", 5);
+  private static final int RECORD = Integer.getInteger("iginx.warmup.records", 10000);
   private static final String IP = System.getProperty("iginx.warmup.ip", "127.0.0.1");
   private static final int PORT = Integer.getInteger("iginx.warmup.port", 6888);
   private static final String USERNAME = System.getProperty("iginx.warmup.username", "root");