Clean up hints

pkg/analyzer/test/src/task/strong_mode_test.dart

Index: pkg/analyzer/test/src/task/strong_mode_test.dart
diff --git a/pkg/analyzer/test/src/task/strong_mode_test.dart b/pkg/analyzer/test/src/task/strong_mode_test.dart
index fbbbae61166ab40e8f747675a856a0bd6e22d9b1..ff87d92a6e6ff8616cac3cf4764f2485ba3d3aa4 100644
--- a/pkg/analyzer/test/src/task/strong_mode_test.dart
+++ b/pkg/analyzer/test/src/task/strong_mode_test.dart
@@ -252,9 +252,6 @@ class B extends A {
   final $fieldName = 0;
 }
 ''');
-    ClassElement classA = unit.getType('A');
-    FieldElement fieldA = classA.getField(fieldName);
-    PropertyAccessorElement getterA = classA.getGetter(fieldName);
     ClassElement classB = unit.getType('B');
     FieldElement fieldB = classB.getField(fieldName);
     PropertyAccessorElement getterB = classB.getGetter(fieldName);
@@ -564,7 +561,6 @@ class B extends A {
 }
 ''');
     ClassElement classA = unit.getType('A');
-    FieldElement fieldA = classA.getField(getterName);
     PropertyAccessorElement setterA = classA.getSetter(getterName);
     ClassElement classB = unit.getType('B');
     FieldElement fieldB = classB.getField(getterName);