add task for testing to remove gpg key using key id

[gryu7]

SUMMARY

At integration test for rpm_key module, there are various methods for adding/removing gpg keys.
However removing gpg key using key id is missing. This PR adds it.

Fixes #79584

ISSUE TYPE

• Test Pull Request

COMPONENT NAME

rpm_key

ADDITIONAL INFORMATION

Following is the output from tasks I added.

TASK [get keyid] *********************************************************************************************************************************************************************************************
changed: [localhost] => {"changed": true, "cmd": "rpm -q gpg-pubkey | head -n 1 | xargs rpm -q --qf %{version}", "delta": "0:00:00.017863", "end": "2023-01-13 08:31:36.406416", "msg": "", "rc": 0, "start": "2023-01-13 08:31:36.388553", "stderr": "", "stderr_lines": [], "stdout": "352c64e5", "stdout_lines": ["352c64e5"]}

TASK [remove GPG key using keyid] ****************************************************************************************************************************************************************************
changed: [localhost] => {"changed": true, "failed_when_result": false}

TASK [remove GPG key using keyid (idempotent)] ***************************************************************************************************************************************************************
ok: [localhost] => {"changed": false}

TASK [verify idempotent (key_id)] ****************************************************************************************************************************************************************************
ok: [localhost] => {
    "changed": false,
    "msg": "All assertions passed"
}

TASK [add very first key on system again] ********************************************************************************************************************************************************************
changed: [localhost] => {"changed": true}