Remove end-of-life Ubuntu 19.04 Dockerfile

All references to this were removed in
26b466828b419efff7a633f153f286fa0d35f1c6.

It no longer builds - the apt-get update step fails as Ubuntu is no
longer hosting packages for 19.04.

diff --git a/ci/ubuntu-19.04/Dockerfile b/ci/ubuntu-19.04/Dockerfile
deleted file mode 100644 (file)
index 8a3f018..0000000
--- a/ci/ubuntu-19.04/Dockerfile
+++ /dev/null
@@ -1,107 +0,0 @@
-FROM ubuntu:19.04
-
-ARG DEBIAN_FRONTEND=noninteractive
-
-RUN apt-get update -y
-
-# Development tools
-RUN apt-get update && apt-get install --no-install-recommends -y build-essential
-RUN apt-get update && apt-get install --no-install-recommends -y git
-RUN apt-get update && apt-get install --no-install-recommends -y pkg-config
-RUN apt-get update && apt-get install --no-install-recommends -y autoconf
-RUN apt-get update && apt-get install --no-install-recommends -y bison
-RUN apt-get update && apt-get install --no-install-recommends -y libtool
-RUN apt-get update && apt-get install --no-install-recommends -y flex
-
-# Debian build utilities
-RUN apt-get update && apt-get install --no-install-recommends -y quilt
-RUN apt-get update && apt-get install --no-install-recommends -y d-shlibs
-RUN apt-get update && apt-get install --no-install-recommends -y debhelper
-RUN apt-get update && apt-get install --no-install-recommends -y fakeroot
-
-# Option glut
-RUN apt-get update && apt-get install --no-install-recommends -y freeglut3-dev
-
-# Option gts
-RUN apt-get update && apt-get install --no-install-recommends -y libgts-dev
-
-# Option swig
-RUN apt-get update && apt-get install --no-install-recommends -y swig
-
-# Command lefty
-RUN apt-get update && apt-get install --no-install-recommends -y libxaw7-dev
-
-# Command smyra
-RUN apt-get update && apt-get install --no-install-recommends -y libgtkglext1-dev
-RUN apt-get update && apt-get install --no-install-recommends -y libglade2-dev
-
-# Command gvedit
-RUN apt-get update && apt-get install --no-install-recommends -y libqt5gui5
-RUN apt-get update && apt-get install --no-install-recommends -y qt5-qmake
-RUN apt-get update && apt-get install --no-install-recommends -y qt5-default
-
-# Plugin library devil
-RUN apt-get update && apt-get install --no-install-recommends -y libdevil-dev
-
-# Plugin library gd
-RUN apt-get update && apt-get install --no-install-recommends -y libgd-dev
-
-# Plugin library ghostscipt
-RUN apt-get update && apt-get install --no-install-recommends -y libgs-dev
-
-# Plugin library lasi
-RUN apt-get update && apt-get install --no-install-recommends -y liblasi-dev
-
-# Plugin library poppler
-RUN apt-get update && apt-get install --no-install-recommends -y libpoppler-dev
-RUN apt-get update && apt-get install --no-install-recommends -y libpoppler-glib-dev
-
-# Plugin library rsvg
-RUN apt-get update && apt-get install --no-install-recommends -y librsvg2-dev
-
-# Plugin library webp
-RUN apt-get update && apt-get install --no-install-recommends -y libwebp-dev
-
-# Language extension gv_sharp & gv_ruby
-RUN apt-get update && apt-get install --no-install-recommends -y ruby
-
-# Language extension gv_go
-RUN apt-get update && apt-get install --no-install-recommends -y golang-go
-
-# Language extension gv_guile
-RUN apt-get update && apt-get install --no-install-recommends -y guile-2.2
-RUN apt-get update && apt-get install --no-install-recommends -y guile-2.2-dev
-
-# Language extension gv_lua
-RUN apt-get update && apt-get install --no-install-recommends -y lua5.3
-RUN apt-get update && apt-get install --no-install-recommends -y liblua5.3-dev
-
-# Language extension gv_ocaml
-RUN apt-get update && apt-get install --no-install-recommends -y ocaml
-
-# Language extension gv_perl
-RUN apt-get update && apt-get install --no-install-recommends -y libperl-dev
-
-# Language extension gv_php
-RUN apt-get update && apt-get install --no-install-recommends -y php-dev
-RUN apt-get update && apt-get install --no-install-recommends -y libsodium-dev
-RUN apt-get update && apt-get install --no-install-recommends -y libargon2-0-dev
-
-# Language extension gv_python & gv_python2
-RUN apt-get update && apt-get install --no-install-recommends -y python2.7-dev
-
-# Language extension gv_python3
-RUN apt-get update && apt-get install --no-install-recommends -y libpython3-dev
-
-# Language extension gv_ruby
-RUN apt-get update && apt-get install --no-install-recommends -y ruby-dev
-
-# Language extension gv_tcl
-RUN apt-get update && apt-get install --no-install-recommends -y tcl-dev
-
-# Test utilities
-RUN apt-get update && apt-get install --no-install-recommends -y python-pytest
-RUN apt-get update && apt-get install --no-install-recommends -y python3-pytest
-
-# Clean up
-RUN rm -rf /var/lib/apt/lists/*