fix Dockerfile

Dockerfile

@@ -38,9 +38,6 @@ COPY . /iv/
 # angular 12 echo the env var into src/environments/environment.prod.ts
 RUN node ./src/environments/parseEnv.js
 
-# When building in local, where node_module already exist, prebuilt binary may throw an error
-RUN rm -rf ./node_modules
-
 RUN npm run build
 RUN node third_party/matomo/processMatomo.js
 RUN npm run build-storybook