Update failover option for DGX

Former-commit-id: 308a2b1d

roles/mellanox_drivers/tasks/main.yml

@@ -154,15 +154,3 @@
 - name: waiting for server to come back
   wait_for_connection: sleep=60 timeout=600 delay=60
   when: reboot_now
-
-- name: Set failover mode on DGX baremetal nodes
-  lineinfile:
-    path: /etc/modprobe.d/ko2iblnd.conf
-    state: present
-    line: "options ko2iblnd dev_failover=1"
-    insertafter: EOF
-  when:
-   - '"DGX" in ansible_product_name'
-   - '"RedHat" in ansible_distribution'
-  become: true
-  become_user: root