[misc] remove benchmark option trackSessionState=TRUE now that https://jira.mariadb.org/browse/MDEV-26868 is released

Author: diego Dupin

src/benchmark/java/org/mariadb/jdbc/Common.java

@@ -58,7 +58,7 @@ public void createConnections() throws Exception {
  throw new RuntimeException("wrong param");
  }
  try {
- String jdbcBase = "jdbc:%s://%s:%s/%s?user=%s&password=%s&sslMode=DISABLED&useServerPrepStmts=%s&cachePrepStmts=%s&serverTimezone=UTC&trackSessionState=TRUE%s";
+ String jdbcBase = "jdbc:%s://%s:%s/%s?user=%s&password=%s&sslMode=DISABLED&useServerPrepStmts=%s&cachePrepStmts=%s&serverTimezone=UTC%s";
  String jdbcUrlText =
  String.format(
  jdbcBase,