Revert "[KYUUBI #4619] Fix beeline with -e When there are other SQL s…

…tatements before the source statement, the source statement cannot be executed normally"

This reverts commit fadb802.

kyuubi-hive-beeline/src/main/java/org/apache/hive/beeline/KyuubiCommands.java

@@ -55,14 +55,12 @@ private String[] tokenizeCmd(String cmd) {
   }
 
   private boolean isSourceCMD(String cmd) {
-    cmd = cmd.trim();
     if (cmd == null || cmd.isEmpty()) return false;
     String[] tokens = tokenizeCmd(cmd);
     return tokens[0].equalsIgnoreCase("source");
   }
 
   private boolean sourceFile(String cmd) {
-    cmd = cmd.trim();
     String[] tokens = tokenizeCmd(cmd);
     String cmd_1 = getFirstCmd(cmd, tokens[0].length());