Update packages installed in Fedora (#48)

Remove Fedora 31 as it's EOL and use the borgbackup, borgmatic and
cython packages from Fedora's repositories.

tasks/main.yml

@@ -29,6 +29,7 @@
   pip:
     name: "{{ borg_python_packages }}"
     executable: "{{ pip_bin }}"
+  when: borg_python_packages is defined
 
 - name: Ensure root has SSH key.
   user:

vars/Fedora-31.yml

@@ -1,21 +0,0 @@
----
-borg_packages:
-  - libacl-devel
-  - libacl
-  - gcc
-  - gcc-c++
-  - openssl-devel
-  - python3-pip
-  - python3-wheel
-  - python3-devel
-  - python3-setuptools
-  - openssh-clients
-  - cronie
-
-python_bin: python3
-pip_bin: pip3
-
-borg_python_packages:
-  - cython
-  - borgbackup
-  - borgmatic

vars/Fedora.yml

@@ -5,17 +5,15 @@ borg_packages:
   - gcc
   - gcc-c++
   - openssl-devel
-  - python-pip
-  - python-wheel
-  - python-devel
-  - python-setuptools
+  - python3-pip
+  - python3-wheel
+  - python3-devel
+  - python3-setuptools
+  - python3-Cython
   - openssh-clients
   - cronie
-
-python_bin: python
-pip_bin: pip
-
-borg_python_packages:
-  - cython
   - borgbackup
   - borgmatic
+
+python_bin: python3
+pip_bin: pip3