Remove getters allowing access to all enclosing type parameter types.

These getters are private to the analyzer and not used by it.

Change-Id: I203af68124668244dd204bff0cf7a3de4de8e9cd
Reviewed-on: https://dart-review.googlesource.com/74967
Reviewed-by: Konstantin Shcheglov <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Paul Berry <[email protected]>

Author: stereotype441

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

@@ -6502,14 +6502,6 @@ class MethodElementImpl extends ExecutableElementImpl implements MethodElement {
     setModifier(Modifier.ABSTRACT, isAbstract);
   }
 
-  @override
-  List<TypeParameterType> get allEnclosingTypeParameterTypes {
-    if (isStatic) {
-      return const <TypeParameterType>[];
-    }
-    return super.allEnclosingTypeParameterTypes;
-  }
-
   @override
   String get displayName {
     String displayName = super.displayName;
@@ -8021,14 +8013,6 @@ class PropertyAccessorElementImpl extends ExecutableElementImpl
     setModifier(Modifier.ABSTRACT, isAbstract);
   }
 
-  @override
-  List<TypeParameterType> get allEnclosingTypeParameterTypes {
-    if (isStatic) {
-      return const <TypeParameterType>[];
-    }
-    return super.allEnclosingTypeParameterTypes;
-  }
-
   @override
   PropertyAccessorElement get correspondingGetter {
     if (isGetter || variable == null) {
@@ -8664,37 +8648,6 @@ abstract class TypeParameterizedElementMixin
    */
   List<TypeParameterType> _typeParameterTypes;
 
-  /**
-   * A cached list containing all of the type parameter types of this element,
-   * including those declared by this element directly and those declared by any
-   * enclosing elements, or `null` if the list has not been computed yet.
-   */
-  List<TypeParameterType> _allTypeParameterTypes;
-
-  /**
-   * Return all type parameter types of the element that encloses element.
-   * Not `null`, but might be empty for top-level and static class members.
-   */
-  List<TypeParameterType> get allEnclosingTypeParameterTypes {
-    return enclosingTypeParameterContext?.allTypeParameterTypes ??
-        const <TypeParameterType>[];
-  }
-
-  /**
-   * Return all type parameter types of this element.
-   */
-  List<TypeParameterType> get allTypeParameterTypes {
-    if (_allTypeParameterTypes == null) {
-      _allTypeParameterTypes = <TypeParameterType>[];
-      // The most logical order would be (enclosing, this).
-      // But we have to have it like this to be consistent with (inconsistent
-      // by itself) element builder for generic functions.
-      _allTypeParameterTypes.addAll(typeParameterTypes);
-      _allTypeParameterTypes.addAll(allEnclosingTypeParameterTypes);
-    }
-    return _allTypeParameterTypes;
-  }
-
   /**
    * Get the type parameter context enclosing this one, if any.
    */