Delete .pypirc file at end of task

Since this file contains secrets, lets be extra safe and remove the
file after we've called twine.

Change-Id: I221a2e559430565c6a1a6852368445408d63f4b9
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

roles/upload-pypi/tasks/main.yaml

@@ -23,3 +23,8 @@
 - name: Upload tarballs with twine
   command: "{{ pypi_twine_executable }} upload -r {{ pypi_repository }} {{ item.path }}"
   with_items: "{{ found_tarballs.files }}"
+
+- name: Delete .pypirc configuration file
+  file:
+    path: ~/.pyirc
+    state: absent