remove unnecessary code

docker/frontend/Dockerfile

@@ -5,10 +5,8 @@ WORKDIR /var/www/app/apps/frontend
 RUN apk add --no-cache git bash
 
 COPY entrypoint.sh /usr/local/bin/entrypoint.sh
-COPY scripts/wait-for-it.sh /usr/local/bin/wait-for-it.sh
 
-RUN chmod +x /usr/local/bin/entrypoint.sh \
-             /usr/local/bin/wait-for-it.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
 
 ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
 CMD ["build"]