Remove incremental: logger, validator, options.

pkg/analysis_server/lib/src/analysis_server.dart

Index: pkg/analysis_server/lib/src/analysis_server.dart
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index 799e72bbb738d0e1442003de186ddfee127c8c1a..922321474eca22eac1d21a0f19d1fec3c92c6b43 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -358,11 +358,6 @@ class AnalysisServer {
     PluginWatcher pluginWatcher =
         new PluginWatcher(resourceProvider, pluginManager);
 
-    defaultContextOptions.incremental = true;
-    defaultContextOptions.incrementalApi =
-        options.enableIncrementalResolutionApi;
-    defaultContextOptions.incrementalValidation =
-        options.enableIncrementalResolutionValidation;
     defaultContextOptions.generateImplicitErrors = false;
 
     {
@@ -1049,8 +1044,6 @@ class AnalysisServer {
 }
 
 class AnalysisServerOptions {
-  bool enableIncrementalResolutionApi = false;
-  bool enableIncrementalResolutionValidation = false;
   bool useAnalysisHighlight2 = false;
   String fileReadMode = 'as-is';
   String newAnalysisDriverLog;