Revert "Exclude known bad build of flexiblas in CS9"

This reverts commit fdebf5c953.

Reason for revert:
The fixed version was released and is now available in mirror.

Related-Bug: #1962506
Change-Id: I8fff91e3a5c2774425d966ead3b58c04f568ab38

playbooks/prepare-node-common.yaml

@@ -109,13 +109,3 @@
         - use_puppetlabs is defined
         - use_puppetlabs|bool
         - ansible_os_family == 'Debian'
-
-    - block:
-      - name: Workaround for lp bug 1962506 (CentOS/RHEL 9)
-        shell:
-          cmd: |
-            dnf config-manager --save --setopt exclude=flexiblas*3.0.4-7*
-        become: true
-      when:
-        - ansible_os_family == 'RedHat'
-        - ansible_distribution_major_version == "9"