remove unneeded type dependencies and updates ts-loader

Author: fakusb

client/src/nodejs-async.ts

@@ -1,5 +1,4 @@
 import * as nfs from 'fs'
-import * as nzlib from 'zlib'
 
 export namespace fs {
   export function open(path: string|Buffer, flags: string|number) : Promise<number> {
@@ -79,17 +78,3 @@ export namespace fs {
   }
 
 }
-
-
-export namespace zlib { 
-  export function gunzip(data: Buffer, encoding = 'utf8') : Promise<string> {
-    return new Promise<string>((resolve,reject) => {
-      nzlib.gunzip(data, (err,data) => {
-        if(err)
-          reject(err);
-        else
-          resolve(data.toString(encoding));
-      });
-    });
-  }
-}