Removed unused code from Dockerfile

Frontend/Dockerfile

@@ -16,9 +16,5 @@ ENV TZ Europe/Warsaw
 COPY --from=build-stage /app/dist /usr/share/nginx/html
 COPY ./nginx.conf /etc/nginx/conf.d/default.conf
 
-RUN mkdir -p /scripts
-COPY insert_version.sh /scripts/
-WORKDIR /scripts
-
 EXPOSE 80
 EXPOSE 443