Remove TypeScript typings (#598)

Author: daffl

client.d.ts

@@ -14,10 +14,6 @@
     "realtime"
   ],
   "main": "lib/index",
-  "types": [
-    "./index.d.ts",
-    "./client.d.ts"
-  ],
   "author": "Feathers <hello@feathersjs.com> (http://feathersjs.com)",
   "contributors": [
     "Eric Kryski <e.kryski@gmail.com> (http://erickryski.com)",
@@ -53,7 +49,6 @@
     "node": ">= 4"
   },
   "dependencies": {
-    "@types/express": "~4.0.35",
     "debug": "^2.6.0",
     "events": "^1.1.1",
     "express": "^4.14.0",