Tidy some comments in analyzer

* DirectiveResolver was removed.
* There is no more nameScope parameter on ResolverVisitor.

Change-Id: I3617538366c21407fd841bea0cddb2ce7b3ea536
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/240500
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Samuel Rawlins <srawlins@google.com>
Commit-Queue: Samuel Rawlins <srawlins@google.com>

Author: srawlins

pkg/analyzer/lib/src/dart/analysis/library_analyzer.dart

@@ -739,8 +739,6 @@ class LibraryAnalyzer {
     for (var directive in directivesToResolve) {
       directive.element = _libraryElement;
     }
-
-    // TODO(scheglov) remove DirectiveResolver class
   }
 
   void _resolveFile(FileState file, CompilationUnit unit) {

pkg/analyzer/lib/src/dart/micro/library_analyzer.dart

@@ -665,8 +665,6 @@ class LibraryAnalyzer {
     for (var directive in directivesToResolve) {
       directive.element = _libraryElement;
     }
-
-    // TODO(scheglov) remove DirectiveResolver class
   }
 
   void _resolveFile({

pkg/analyzer/lib/src/generated/resolver.dart

@@ -258,10 +258,7 @@ class ResolverVisitor extends ThrowingAstVisitor<void>
   /// unit containing the node being visited. The [typeProvider] is the object
   /// used to access the types from the core library. The [errorListener] is the
   /// error listener that will be informed of any errors that are found during
-  /// resolution. The [nameScope] is the scope used to resolve identifiers in
-  /// the node that will first be visited.  If `null` or unspecified, a new
-  /// [LibraryScope] will be created based on [definingLibrary] and
-  /// [typeProvider].
+  /// resolution.
   ///
   /// TODO(paulberry): make [featureSet] a required parameter (this will be a
   /// breaking change).
@@ -2910,7 +2907,7 @@ class ScopeResolverVisitor extends UnifyingAstVisitor<void> {
   /// [definingLibrary] is the element for the library containing the node being
   /// visited.
   /// [source] is the source representing the compilation unit containing the
-  /// node being visited
+  /// node being visited.
   /// [typeProvider] is the object used to access the types from the core
   /// library.
   /// [errorListener] is the error listener that will be informed of any errors