Move the wait for Cilium readiness to the end

[jingyuanliang]

Do it just before writing out CNI config so other steps can complete earlier without waiting for Cilium.

[jingyuanliang]

/assign @aojea
/assign @MrHohn
/assign @Ramkumar-K

[google-oss-prow]

@jingyuanliang: GitHub didn't allow me to assign the following users: Ramkumar-K.

Note that only GoogleCloudPlatform members with read permissions, repo collaborators and people who have commented on this issue/PR can be assigned. Additionally, issues/PRs can only have 10 assignees at the same time.
For more information please see the contributor guide

In response to this:

/assign @aojea
/assign @MrHohn
/assign @Ramkumar-K

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[Ramkumar-K]

/lgtm
/approve

[google-oss-prow]

@Ramkumar-K: changing LGTM is restricted to collaborators

In response to this:

/lgtm
/approve

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[MrHohn]

/lgtm

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jingyuanliang, MrHohn, Ramkumar-K

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [MrHohn,jingyuanliang]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment