Remove always tag applied on bootstrap

[yckaolalala]

What type of PR is this?
/kind bug

What this PR does / why we need it:

In PR #10069, Add bootstrap in facts.yaml. The Gather facts task already has always tag.

- name: Gather facts
  hosts: k8s_cluster:etcd:calico_rr
  gather_facts: False
  tags: always

It seems that adding the always tag to the bootstrap task may not be necessary.
For example, this is a test for updating all add-ons .

ansible-playbook -b -i inventory/sample/hosts.ini cluster.yml --tags=apps

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Remove always tag applied on bootstrap

[k8s-ci-robot]

Hi @yckaolalala. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[MrFreezeex]

Thanks for the cleanup!
/ok-to-test
/lgtm

[floryut]

@yckaolalala Thank you

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: floryut, MrFreezeex, yckaolalala

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