copr-builder: do not disable @copr/copr (disabled in base image) and install nosync.i686 on intel

roles/copr/backend/files/provision/builderpb_nova.yml

@@ -49,3 +49,13 @@
 
   - name: disable offloading
     command: ethtool -K eth0 tso off gro off gso off
+
+    # ensure glibc and glibc.i686 are of the the latest version here
+  - name: make sure latest nosync and nosync.i686 and glibc
+    dnf: state=latest pkg={{ item }}
+    with_items:
+      - glibc
+      - glibc.i686
+      - nosync
+      - nosync.i686
+    when: prepare_base_image is defined

roles/copr/backend/files/provision/provision_builder_tasks.yml

@@ -41,9 +41,6 @@
     - nosync
     - expect
 
-- name: disable @copr/copr explicitly
-  shell: dnf copr -y disable @copr/copr
-
 - name: enable @copr/copr-dev in staging
   copy: dnf copr -y enable @copr/copr-dev
   when: network_name == "coprdev-net"