fix log error

Author: sean-liu55

src/main/java/org/tron/walletcli/Client.java

@@ -2028,7 +2028,6 @@ private void getBrokerage(String[] parameters) {
 
   private void getTransactionInfoByBlockNum(String[] parameters) {
     if (parameters.length != 1) {
-      System.out.println("Too many parameters !!!");
       System.out.println("You need input number with the following syntax:");
       System.out.println("GetTransactionInfoByBlockNum number");
       return;