chore(debugging): Clean up debug messages in ng-include, parser_spec

Author: jbdeboer

lib/directives/ng_include.dart

@@ -33,8 +33,6 @@ class NgIncludeAttrDirective {
     };
 
     scope.$watch(attrs[this], (value, another) {
-      print('ng-include tpl changed to $value');
-
       if (value == null || value == '') {
         cleanUp();
         return;

test/parser_spec.dart

@@ -905,6 +905,6 @@ class OverloadObject {
 }
 
 class ScopeWithErrors {
-  String get boo { dump("got a boo"); throw "boo to you"; }
-  String foo() { dump("got a foo"); throw "foo to you"; }
+  String get boo => throw "boo to you";
+  String foo() => throw "foo to you";
 }