Remove some summary TODOs that have already been addressed.

pkg/analyzer/tool/summary/idl.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.
 
 /**
  * This file is an "idl" style description of the summary format.  It is not
  * executed directly; instead it is parsed and transformed into code that
  * implements the summary format.
  *
  * The code generation process introduces the following non-typical semantics:
@@ skipping 1147 matching lines @@
    * file.
    */
   @informative
   int uriEnd;
 }
 
 /**
  * Unlinked summary information about a specific name contributed by a
  * compilation unit to a library's public namespace.
  *
- * TODO(paulberry): add a count of generic parameters, so that resynthesis
- * doesn't have to peek into the library to obtain this info.
- *
  * TODO(paulberry): some of this information is redundant with information
  * elsewhere in the summary.  Consider reducing the redundancy to reduce
  * summary size.
  */
 class UnlinkedPublicName {
   /**
    * The name itself.
    */
   String name;
 
@@ skipping 274 matching lines @@
   int propagatedTypeSlot;
 
   /**
    * If this variable is inferrable, nonzero slot id identifying which entry in
    * [LinkedLibrary.types] contains the inferred type for this variable.  If
    * there is no matching entry in [LinkedLibrary.types], then no type was
    * inferred for this variable, so its static type is `dynamic`.
    */
   int inferredTypeSlot;
 }