fix: remove missing apt config

toolboxes/debian-toolbox/Containerfile.debian

@@ -21,7 +21,6 @@ RUN rm /etc/apt/apt.conf.d/docker-gzip-indexes /etc/apt/apt.conf.d/docker-no-lan
   mkdir /usr/share/empty && \
   curl -sLo /usr/bin/host-spawn https://github.com/1player/host-spawn/releases/download/1.5.0/host-spawn-x86_64 && \
   chmod +x /usr/bin/host-spawn && \
-  rm /etc/apt/apt.conf.d/20apt-esm-hook.conf && \
   ln -s /usr/libexec/flatpak-xdg-utils/flatpak-spawn /usr/bin/ && \
   ln -fs /usr/bin/distrobox-host-exec /usr/local/bin/docker && \
   ln -fs /usr/bin/distrobox-host-exec /usr/local/bin/flatpak && \