Replace passport-local definition file with @types/passport-local

This commit:
- use @types/passport-local
- removes custom definition file
- updates implementation to use correct interface from @types/passport-local

Thanks!

src/types/passport-local.d.ts

@@ -1,48 +0,0 @@
-// Type definitions for passport-local 1.0.0
-// Project: https://github.com/jaredhanson/passport-local
-// Definitions by: Maxime LUCE <https://github.com/SomaticIT>
-// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-
-/// <reference types="passport"/>
-
-
-
-import passport = require("passport");
-import express = require("express");
-
-interface IStrategyOptions {
-    usernameField?: string;
-    passwordField?: string;
-    passReqToCallback?: boolean;
-}
-
-interface IStrategyOptionsWithRequest {
-    usernameField?: string;
-    passwordField?: string;
-    passReqToCallback: boolean;
-}
-
-interface IVerifyOptions {
-    message: string;
-}
-
-interface VerifyFunctionWithRequest {
-    (req: express.Request, username: string, password: string, done: (error: any, user?: any, options?: IVerifyOptions) => void): void;
-}
-
-interface VerifyFunction {
-    (username: string, password: string, done: (error: any, user?: any, options?: IVerifyOptions) => void): void;
-}
-
-declare class Strategy implements passport.Strategy {
-    constructor(options: IStrategyOptionsWithRequest, verify: VerifyFunctionWithRequest);
-    constructor(options: IStrategyOptions, verify: VerifyFunction);
-    constructor(verify: VerifyFunction);
-
-    name: string;
-    authenticate: (req: express.Request, options?: Object) => void;
-}
-
-interface LocalStrategyInfo {
-    message: string;
-}