[fix] dockerfile 수정

Dockerfile

@@ -1,7 +1,6 @@
 FROM node:18
 WORKDIR /reserving
 COPY . .
-RUN echo "Acquire::Check-Valid-Until \"false\";\nAcquire::Check-Date \"false\";" | cat > /etc/apt/apt.conf.d/10no--check-valid-until
 RUN apt-get update && apt-get install gnupg wget -y && \
     wget --quiet --output-document=- https://dl-ssl.google.com/linux/linux_signing_key.pub | gpg --dearmor > /etc/apt/trusted.gpg.d/google-archive.gpg && \
     sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' && \