Remove extra task from download-artifacts

This task is no longer necessary and should have been removed in
6523b6a530 as part of the work to
download multiple artifacts.

Also fix a syntax error in a template string.

Change-Id: I6a1d067a22a55843ec3320204bb673eaa0bcab4d

roles/download-artifact/tasks/inner.yaml

@@ -2,7 +2,7 @@
   uri:
     url: "{{ artifact.url }}"
     dest: "{{ download_artifact_directory }}"
-  loop: "{{ (build.artifacts }}"
+  loop: "{{ build.artifacts }}"
   loop_control:
     loop_var: artifact
   when: "artifact.name == download_artifact_name or ((download_artifact_name | type_debug) == 'list' and artifact.name in download_artifact_name)"

roles/download-artifact/tasks/main.yaml

@@ -2,9 +2,6 @@
   uri:
     url: "{{ download_artifact_api }}/builds?{{ download_artifact_query }}"
   register: build
-- name: Extract artifact URL
-  set_fact:
-    archive_url: "{{ (build.json[0].artifacts | selectattr('name', 'equalto', download_artifact_name) | list)[0].url }}"
 - name: Process build
   loop: "{{ build.json }}"
   loop_control: