openqa: drop some stray enablerepos for the old COPR

the COPR stuff is long gone so these weren't doing anything,
they just got left around by accident.

roles/openqa/server/tasks/main.yml

@@ -69,7 +69,7 @@
 #  - packages
 
 - name: Install required packages
-  dnf: name={{ item }} state=present enablerepo=adamwill-openQA
+  dnf: name={{ item }} state=present
   with_items:
   - libselinux-python
   - git

roles/openqa/worker/tasks/main.yml

@@ -8,7 +8,7 @@
 ##      default - localhost
 
 - name: Install packages
-  dnf: name={{ item }} state=present enablerepo=adamwill-openQA
+  dnf: name={{ item }} state=present
   with_items:
   - openqa-worker
   - libselinux-python