Remove some unused flags for the analyzer cli's build mode.

pkg/analyzer_cli/lib/src/build_mode.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer_cli.src.build_mode;
 
 import 'dart:core';
 import 'dart:io' as io;
 
 import 'package:analyzer/dart/ast/ast.dart' show CompilationUnit;
@@ skipping 170 matching lines @@
       // Perform full analysis.
       while (true) {
         AnalysisResult analysisResult = context.performAnalysisTask();
         if (!analysisResult.hasMoreWork) {
           break;
         }
       }
     }
 
     // Write summary.
-    assembler = new PackageBundleAssembler(
-        excludeHashes: options.buildSummaryExcludeInformative &&
-            options.buildSummaryOutputSemantic == null);
+    assembler = new PackageBundleAssembler();
     if (_shouldOutputSummary) {
       _serializeAstBasedSummary(explicitSources);
       // Write the whole package bundle.
       assembler.recordDependencies(summaryDataStore);
       PackageBundleBuilder bundle = assembler.assemble();
-      if (options.buildSummaryExcludeInformative) {
-        bundle.flushInformative();
-      }
       if (options.buildSummaryOutput != null) {
         io.File file = new io.File(options.buildSummaryOutput);
         file.writeAsBytesSync(bundle.toBuffer(), mode: io.FileMode.WRITE_ONLY);
       }
       if (options.buildSummaryOutputSemantic != null) {
         bundle.flushInformative();
         io.File file = new io.File(options.buildSummaryOutputSemantic);
         file.writeAsBytesSync(bundle.toBuffer(), mode: io.FileMode.WRITE_ONLY);
       }
     }
@@ skipping 204 matching lines @@
    * Build the inverse mapping of [uriToSourceMap].
    */
   static Map<String, Uri> _computePathToUriMap(Map<Uri, File> uriToSourceMap) {
     Map<String, Uri> pathToUriMap = <String, Uri>{};
     uriToSourceMap.forEach((Uri uri, File file) {
       pathToUriMap[file.path] = uri;
     });
     return pathToUriMap;
   }
 }