Remove an unused local variable in the test.

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

Index: pkg/analyzer/test/src/task/inputs_test.dart
diff --git a/pkg/analyzer/test/src/task/inputs_test.dart b/pkg/analyzer/test/src/task/inputs_test.dart
index 4c4c6a434f75b2db5fcda63a9048aaecd7c0e416..cbd5890f31c52beb75495aa185b00bf5e95f630f 100644
--- a/pkg/analyzer/test/src/task/inputs_test.dart
+++ b/pkg/analyzer/test/src/task/inputs_test.dart
@@ -564,7 +564,6 @@ class SimpleTaskInputBuilderTest extends EngineTestCase {
   test_inputValue_afterCurrentValueNotAvailable() {
     SimpleTaskInputBuilder builder = new SimpleTaskInputBuilder(input);
     builder.moveNext();
-    String value = 'value';
     builder.currentValueNotAvailable();
     builder.moveNext();
     expect(builder.inputValue, isNull);