Remove misleading javadoc comment so that we start getting less questions about it ;)

PR: 4398


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269824 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/Main.java

@@ -128,7 +128,7 @@ public class Main {
     }
 
     /**
-     * Entry point allowing for more options from other front ends
+     * Entry point method.
      */
     public static void start(String[] args, Properties additionalUserProperties,
                              ClassLoader coreLoader) {