Remove an unused local variable.

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

Index: pkg/analyzer/test/src/task/options_test.dart
diff --git a/pkg/analyzer/test/src/task/options_test.dart b/pkg/analyzer/test/src/task/options_test.dart
index 813fdea6498ccc3e58f20aff5fb2fc7f94299d21..41956adb7561210e8afd271da8a9093ab3a569b9 100644
--- a/pkg/analyzer/test/src/task/options_test.dart
+++ b/pkg/analyzer/test/src/task/options_test.dart
@@ -152,7 +152,6 @@ class ErrorCodeValuesTest {
       errorTypeMap.putIfAbsent(code.runtimeType, () => <ErrorCode>[]).add(code);
     }
 
-    int totalCount = 0;
     int missingErrorCodeCount = 0;
     errorTypeMap.forEach((Type errorType, List<ErrorCode> codes) {
       var listedNames = codes.map((ErrorCode code) => code.name).toSet();
@@ -244,7 +243,6 @@ class ErrorCodeValuesTest {
       // Assert that all remaining declared names are in errorCodeValues
 
       for (String declaredName in declaredNames) {
-        ++totalCount;
         if (!listedNames.contains(declaredName)) {
           ++missingErrorCodeCount;
           print('   errorCodeValues is missing $errorType $declaredName');