Elements. Remove V1 ElementAnnotation.element

Change-Id: Iea9716d71cbb4cf8bb0504ae9847fd613b0d9811
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/423444
Commit-Queue: Konstantin Shcheglov <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>

Author: scheglov

pkg/analyzer/api.txt

@@ -3038,7 +3038,6 @@ package:analyzer/dart/element/element.dart:
   ElementAnnotation (class extends Object implements ConstantEvaluationTarget):
     new (constructor: ElementAnnotation Function())
     constantEvaluationErrors (getter: List<AnalysisError>?)
-    element (getter: Element?, deprecated)
     element2 (getter: Element2?)
     isAlwaysThrows (getter: bool)
     isDeprecated (getter: bool)
@@ -3132,8 +3131,6 @@ package:analyzer/dart/element/element.dart:
   ShowElementCombinator (class extends Object implements NamespaceCombinator):
     new (constructor: ShowElementCombinator Function())
     shownNames (getter: List<String>)
-  UndefinedElement (class extends Object implements Element, deprecated):
-    new (constructor: UndefinedElement Function())
 package:analyzer/dart/element/element2.dart:
   Annotatable (class extends Object):
     new (constructor: Annotatable Function())

pkg/analyzer/lib/dart/element/element.dart

@@ -392,17 +392,6 @@ abstract class ElementAnnotation implements ConstantEvaluationTarget {
   /// list will be empty.
   List<AnalysisError>? get constantEvaluationErrors;
 
-  /// Returns the element referenced by this annotation.
-  ///
-  /// In valid code this element can be a [PropertyAccessorElement] getter
-  /// of a constant top-level variable, or a constant static field of a
-  /// class; or a constant [ConstructorElement].
-  ///
-  /// In invalid code this element can be `null`, or a reference to any
-  /// other element.
-  @Deprecated('Use element2 instead')
-  Element? get element;
-
   /// Returns the element referenced by this annotation.
   ///
   /// In valid code this element can be a [GetterElement] of a constant
@@ -737,12 +726,3 @@ abstract class ShowElementCombinator implements NamespaceCombinator {
   /// are defined in the imported library.
   List<String> get shownNames;
 }
-
-/// A pseudo-elements that represents names that are undefined. This situation
-/// is not allowed by the language, so objects implementing this interface
-/// always represent an error. As a result, most of the normal operations on
-/// elements do not make sense and will return useless results.
-///
-/// Clients may not extend, implement or mix-in this class.
-@Deprecated('Not used anymore')
-abstract class UndefinedElement implements Element {}

pkg/analyzer/lib/src/dart/element/element.dart

@@ -2171,12 +2171,6 @@ class ElementAnnotationImpl implements ElementAnnotation {
   @override
   AnalysisContext get context => compilationUnit.library.context;
 
-  @Deprecated('Use element2 instead')
-  @override
-  Element? get element {
-    return element2?.asElement;
-  }
-
   @override
   bool get isAlwaysThrows => _isPackageMetaGetter(_alwaysThrowsVariableName);
 
@@ -10796,7 +10790,6 @@ mixin TypeParameterizedElementMixin on ElementImpl
   }
 }
 
-
 /// Common base class for all analyzer-internal classes that implement
 /// `VariableElement2`.
 abstract class VariableElement2OrMember implements VariableElement2 {