fix(eslint-plugin): remove references to "extendDefaults" in no-restricted-types (typescript-eslint#10401)

fix(docs): remove references to "extendDefaults" in no-restricted-types

Author: MariaSolOs

packages/eslint-plugin/docs/rules/no-restricted-types.mdx

@@ -26,7 +26,6 @@ The type can either be a type name literal (`OldType`) or a a type name with gen
 The values can be:
 
 - A string, which is the error message to be reported; or
-- `false` to specifically un-ban this type (useful when you are using `extendDefaults`); or
 - An object with the following properties:
   - `message: string`: the message to display when the type is matched.
   - `fixWith?: string`: a string to replace the banned type with when the fixer is run. If this is omitted, no fix will be done.

packages/eslint-plugin/src/rules/no-restricted-types.ts

@@ -18,7 +18,6 @@ type Types = Record<
 
 export type Options = [
   {
-    extendDefaults?: boolean;
     types?: Types;
   },
 ];