Clean up flags for conditional directives

pkg/analyzer/lib/src/context/context.dart

Index: pkg/analyzer/lib/src/context/context.dart
diff --git a/pkg/analyzer/lib/src/context/context.dart b/pkg/analyzer/lib/src/context/context.dart
index 1603facd9de4f0b1c83f94abe3161e98500a2907..51bcc57d787862e5122030eef00ccc8c492f8d82 100644
--- a/pkg/analyzer/lib/src/context/context.dart
+++ b/pkg/analyzer/lib/src/context/context.dart
@@ -269,8 +269,6 @@ class AnalysisContextImpl implements InternalAnalysisContext {
             options.enableStrictCallChecks ||
         this._options.enableGenericMethods != options.enableGenericMethods ||
         this._options.enableAsync != options.enableAsync ||
-        this._options.enableConditionalDirectives !=
-            options.enableConditionalDirectives ||
         this._options.enableSuperMixins != options.enableSuperMixins;
     int cacheSize = options.cacheSize;
     if (this._options.cacheSize != cacheSize) {
@@ -285,8 +283,6 @@ class AnalysisContextImpl implements InternalAnalysisContext {
     this._options.enableAssertMessage = options.enableAssertMessage;
     this._options.enableStrictCallChecks = options.enableStrictCallChecks;
     this._options.enableAsync = options.enableAsync;
-    this._options.enableConditionalDirectives =
-        options.enableConditionalDirectives;
     this._options.enableSuperMixins = options.enableSuperMixins;
     this._options.enableTiming = options.enableTiming;
     this._options.hint = options.hint;