removed unused checkPassword socket call

src/socket.io/user/profile.js

@@ -109,13 +109,6 @@ module.exports = function (SocketUser) {
 		], callback);
 	}
 
-	SocketUser.checkPassword = function (socket, data, callback) {
-		isPrivilegedOrSelfAndPasswordMatch(socket.uid, data, function (err) {
-			// Return a bool (without delayed response to prevent brute-force checking of password validity)
-			setTimeout(callback.bind(null, null, !err), 1000);
-		});
-	};
-
 	SocketUser.changePassword = function (socket, data, callback) {
 		if (!socket.uid) {
 			return callback(new Error('[[error:invalid-uid]]'));