Remove Ubuntu 19.10 "Eoan" (EOL: 2020-07-17)

Ubuntu 19.10 "Eoan Ermine" reached EOL on 2020-07-17: https://wiki.ubuntu.com/Releases

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
(cherry picked from commit a8f8e05)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 75ae5f27c5ff099e775892d28d82fbef8784172b
Component: packaging

Author: AkihiroSuda

components/packaging/README.md

@@ -8,7 +8,6 @@ This repository is solely maintained by Docker, Inc.
 The scripts will build for this list of packages types:
 
 * DEB packages for Ubuntu 20.04 Focal
-* DEB packages for Ubuntu 19.10 Eoan
 * DEB packages for Ubuntu 18.04 Bionic
 * DEB packages for Ubuntu 16.04 Xenial
 * DEB packages for Debian 10 Buster

components/packaging/deb/Makefile

@@ -36,7 +36,7 @@ RUN=docker run --rm -i \
 	debbuild-$@/$(ARCH)
 
 DEBIAN_VERSIONS := debian-stretch debian-buster
-UBUNTU_VERSIONS := ubuntu-xenial ubuntu-bionic ubuntu-eoan ubuntu-focal
+UBUNTU_VERSIONS := ubuntu-xenial ubuntu-bionic ubuntu-focal
 RASPBIAN_VERSIONS := raspbian-stretch raspbian-buster
 DISTROS := $(DEBIAN_VERSIONS) $(UBUNTU_VERSIONS) $(RASPBIAN_VERSIONS)