Remove command from Dockerfile

Author: juffalow

Dockerfile

@@ -3,7 +3,6 @@ FROM node:16-alpine as build
 RUN mkdir /home/node/react-relay-example/ && chown -R node:node /home/node/react-relay-example
 WORKDIR /home/node/react-relay-example
 COPY --chown=node:node . .
-RUN rm tsconfig.json
 RUN yarn install --frozen-lockfile && yarn build
 
 FROM nginx:stable-alpine