lsp-ansible: use new ansible mode name (#4631)

Author: fredericgiquel

clients/lsp-ansible.el

@@ -212,8 +212,7 @@ Python virtual environment."
 This prevents the Ansible server from being turned on in all yaml files."
   (and (or (derived-mode-p 'yaml-mode)
            (derived-mode-p 'yaml-ts-mode))
-       ;; emacs-ansible provides ansible, not ansible-mode
-       (with-no-warnings (bound-and-true-p ansible))))
+       (bound-and-true-p ansible-mode)))
 
 (declare-function lsp-completion--clear-cache "lsp-completion" (&optional keep-last-result))