correct the comment to match the code -we only check for string args-

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@531448 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -206,8 +206,7 @@ public final class IntrospectionHelper  {
                         continue;
                     }
                     /*
-                        If the argument is not a String or Location,
-                        and if there
+                        If the argument is not a String and if there
                         is an overloaded form of this method already defined,
                         we just override that with the new one.
                         This mechanism does not guarantee any specific order