build/Dockerfile: skip global typescript, vsce installation

We already have vsce and typescript in the project's package.json
and don't need to preinstall them.

Change-Id: Idf4484a3b5662d9509c3146737d6d448bd9c8771
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/506656
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Suzy Mueller <suzmue@golang.org>
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>

Author: hyangah

build/Dockerfile

@@ -26,8 +26,7 @@ ENV DEBIAN_FRONTEND noninteractive
 ENV NODE_OPTIONS --dns-result-order=ipv4first
 
 RUN apt-get -qq update && apt-get install -qq -y libnss3 libgtk-3-dev libxss1 libasound2 xvfb libsecret-1-0 jq > /dev/null
-RUN npm install -g typescript @vscode/vsce
 
 USER node
 WORKDIR /workspace
-ENTRYPOINT ["build/all.bash"]
+ENTRYPOINT ["build/all.bash"]

package.json

@@ -37,7 +37,7 @@
   ],
   "scripts": {
     "clean": "rm -rf ./dist/* && rm *.vsix",
-    "package": "vsce package",
+    "package": "npx vsce package",
     "vscode:prepublish": "npm run compile",
     "bundle": "esbuild src/goMain.ts debugAdapter=src/debugAdapter/goDebug.ts --bundle --outdir=dist --external:vscode --format=cjs --platform=node",
     "bundle-dev": "npm run bundle -- --sourcemap",