remove f19 from test harness to save space and time

* Save disk space on dev host by avoiding `docker pull mattdm/fedora'
* Save time by not building a fedora 19 image and running its tests

We can always revert this commit if we need to run tests on f19.

hacking/runtests.sh

@@ -62,7 +62,6 @@
 distros='
 titotest-centos-5.9
 titotest-centos-6.4
-titotest-fedora-19
 titotest-fedora-20
 titotest-fedora-rawhide
 '

hacking/titotest-fedora-19/Dockerfile

@@ -1,26 +0,0 @@
-# no f19 in semi-official https://index.docker.io/_/fedora/
-# so use https://index.docker.io/u/mattdm/fedora/
-FROM mattdm/fedora:f19
-
-# http://jumanjiman.github.io/
-MAINTAINER Paul Morgan <jumanjiman@gmail.com>
-
-# NOTE: runtests.sh hard-links tito.spec into this directory on-the-fly
-#       to work around https://github.com/dotcloud/docker/issues/1676
-ADD tito.spec /tmp/tito.spec
-
-# Install build dependencies.
-RUN yum -y install yum-utils \
-    ; yum-builddep -y /tmp/tito.spec \
-    ; yum clean all
-
-RUN useradd sandbox
-RUN git config --global user.email "sandbox@example.com"
-RUN git config --global user.name  "sandbox"
-
-USER sandbox
-VOLUME ["/home/sandbox"]
-WORKDIR /home/sandbox
-
-ENV LANG C
-CMD ["/bin/bash"]

hacking/titotest-fedora-19/README.md

@@ -1 +0,0 @@
-../../HACKING