Remove duplicated typescript dependency

We should use the typescript dependency from the root in this case. This ensures the workspace is using the same version as the build

build/package.json

@@ -35,7 +35,6 @@
     "mime": "^1.3.4",
     "minimist": "^1.2.0",
     "request": "^2.85.0",
-    "typescript": "3.1.1",
     "xml2js": "^0.4.17"
   },
   "scripts": {

build/yarn.lock

@@ -1493,11 +1493,6 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
   integrity sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=
 
-typescript@3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.1.1.tgz#3362ba9dd1e482ebb2355b02dfe8bcd19a2c7c96"
-  integrity sha512-Veu0w4dTc/9wlWNf2jeRInNodKlcdLgemvPsrNpfu5Pq39sgfFjvIIgTsvUHCoLBnMhPoUA+tFxsXjU6VexVRQ==
-
 underscore@1.8.3, underscore@~1.8.3:
   version "1.8.3"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"