Remove warning about instantiating an abstract class without implementing a member

compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerTest.java

Index: compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerTest.java
diff --git a/compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerTest.java b/compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerTest.java
index 728f62e1dd0610dad4d9b6f907deee24e1534569..3128d8ab49c75d295cc606df962264ed1997fd3e 100644
--- a/compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerTest.java
+++ b/compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerTest.java
@@ -598,12 +598,12 @@ public class TypeAnalyzerTest extends TypeAnalyzerTestCase {
         "  void bar();",
         "}",
         // Abstract class not reported until first instantiation.
-        "class Class implements Interface {", // ABSTRACT_CLASS_WITHOUT_ABSTRACT_MODIFIER
+        "class Class implements Interface {",
         "  Class() {}",
         "  String bar() { return null; }",
         "}",
         // Abstract class not reported until first instantiation.
-        "class SubClass extends Class {", // ABSTRACT_CLASS_WITHOUT_ABSTRACT_MODIFIER
+        "class SubClass extends Class {",
         "  SubClass() : super() {}",
         "  Object bar() { return null; }",
         "}",
@@ -615,8 +615,6 @@ public class TypeAnalyzerTest extends TypeAnalyzerTestCase {
         "  m() {",
         "  }",
         "}"),
-        TypeErrorCode.ABSTRACT_CLASS_WITHOUT_ABSTRACT_MODIFIER,
-        TypeErrorCode.ABSTRACT_CLASS_WITHOUT_ABSTRACT_MODIFIER,
         TypeErrorCode.CANNOT_OVERRIDE_METHOD_NOT_SUBTYPE,
         TypeErrorCode.CANNOT_OVERRIDE_METHOD_NOT_SUBTYPE);
   }