fix: remove geoNear deprecation

NODE-2834

Author: Thomas Reggi

lib/aggregation_cursor.js

@@ -3,7 +3,6 @@
 const MongoError = require('./core').MongoError;
 const Cursor = require('./cursor');
 const CursorState = require('./core/cursor').CursorState;
-const deprecate = require('util').deprecate;
 
 /**
  * @fileOverview The **AggregationCursor** class is an internal class that embodies an aggregation cursor on MongoDB
@@ -225,12 +224,6 @@ class AggregationCursor extends Cursor {
 // aliases
 AggregationCursor.prototype.get = AggregationCursor.prototype.toArray;
 
-// deprecated methods
-deprecate(
-  AggregationCursor.prototype.geoNear,
-  'The `$geoNear` stage is deprecated in MongoDB 4.0, and removed in version 4.2.'
-);
-
 /**
  * AggregationCursor stream data event, fired for each document in the cursor.
  *