Update grocy-install.sh

setup/grocy-install.sh

@@ -119,5 +119,5 @@ msg_ok "Customized Container"
 msg_info "Cleaning up"
 apt-get autoremove >/dev/null
 apt-get autoclean >/dev/null
-rm -rf /var/cache/* /var/lib/apt/lists/* /root/latest
+rm -rf /var/cache/* /var/lib/apt/lists/* /var/log/!(apache2) /root/latest
 msg_ok "Cleaned"