r/dch-selinux: Install from dch-yum repository

The *dch-selinux* package is now published to the same Yum repository as
other packages (e.g. *sshca-cli*, etc.), rather than its own repository.

roles/dch-selinux/files/Fedora.repo

@@ -1,6 +0,0 @@
-[dch-selinux]
-name=dch-selinux
-baseurl=https://files.pyrocufflink.blue/~dustin/dch-selinux/fedora/$releasever/
-enabled=1
-gpgcheck=0
-skip_if_unavailable=True

roles/dch-selinux/meta/main.yml

@@ -0,0 +1,2 @@
+dependencies:
+- dch-yum

roles/dch-selinux/tasks/main.yml

@@ -1,13 +1,3 @@
-- name: ensure dch-selinux repository is installed
-  copy:
-    src: >-
-      {{ ansible_distribution }}.repo
-    dest: /etc/yum.repos.d/dch-selinux.repo
-    mode: u=rw,go=r
-  tags:
-  - yum-repo
-  - install
-
 - name: ensure dch-selinux is installed
   package:
     name: dch-selinux