types(model+query): correctly remove count from TypeScript types to reflect removal of runtime support

Fix #14062

Author: vkarpov15

test/types/queries.test.ts

@@ -72,7 +72,7 @@ Test.find({}, {}, { populate: { path: 'child', model: ChildModel, match: true }
 
 Test.find().byName('test').byName('test2').orFail().exec().then(console.log);
 
-Test.count({ name: /Test/ }).exec().then((res: number) => console.log(res));
+Test.countDocuments({ name: /Test/ }).exec().then((res: number) => console.log(res));
 Test.findOne({ 'docs.id': 42 }).exec().then(console.log);
 
 // ObjectId casting

types/models.d.ts

@@ -201,15 +201,6 @@ declare module 'mongoose' {
     /** Collection the model uses. */
     collection: Collection;
 
-    /** Creates a `count` query: counts the number of documents that match `filter`. */
-    count(filter?: FilterQuery<TRawDocType>): QueryWithHelpers<
-      number,
-      THydratedDocumentType,
-      TQueryHelpers,
-      TRawDocType,
-      'count'
-    >;
-
     /** Creates a `countDocuments` query: counts the number of documents that match `filter`. */
     countDocuments(
       filter?: FilterQuery<TRawDocType>,

types/query.d.ts

@@ -259,15 +259,6 @@ declare module 'mongoose' {
     /** Specifies the `comment` option. */
     comment(val: string): this;
 
-    /** Specifies this query as a `count` query. */
-    count(criteria?: FilterQuery<DocType>): QueryWithHelpers<
-      number,
-      DocType,
-      THelpers,
-      RawDocType,
-      'count'
-    >;
-
     /** Specifies this query as a `countDocuments` query. */
     countDocuments(
       criteria?: FilterQuery<DocType>,