Remove/Update all out-of-date banner from kubeflow.org GCP section

[zijianjoy]

No description provided.

[zijianjoy]

Uber issue:
kubeflow/website#2177
kubeflow/website#2668

[Bobgy]

I went through these docs quickly.

Kubeflow On-premises on Anthos GKE
Running Kubeflow across on-premises and cloud environments with Anthos

Suggest move to bottom

Pipelines on GCP
Instructions for customizing and using Kubeflow Pipelines on Google Cloud Platform (GCP)

Connecting to Kubeflow Pipelines on Google Cloud using the SDK
How to connect to different Kubeflow Pipelines installations on Google Cloud using the Kubeflow Pipelines SDK

Up-to-date

Authenticating Pipelines to GCP
Authentication and authorization to Google Cloud Platform (GCP) in Pipelines

Up-to-date

Upgrading
How to upgrade your Kubeflow Pipelines deployment on Google Cloud

Mostly updated, needs revamp based on Kubeflow on GCP 1.3

Enabling GPU and TPU
Enable GPU and TPU for Kubeflow Pipelines on Google Kubernetes Engine (GKE)

Needs update to remove reference of ContainerOp.

Using Preemptible VMs and GPUs on GCP
Configuring preemptible VMs and GPUs for Kubeflow Pipelines on GCP

Needs update to remove container op.

Customizing Kubeflow on GKE
Tailoring a GKE deployment of Kubeflow

WIP

Using Your Own Domain
Using a custom domain with Kubeflow on GKE

Probably still works, needs manual verification.

Authenticating Kubeflow to GCP
Authentication and authorization to Google Cloud Platform (GCP)

Up-to-date

Using Cloud Filestore
Using Cloud Filestore with Kubeflow

Remove

Securing Your Clusters
How to secure Kubeflow clusters using private GKE

This needs quite some efforts to support and verify, suggest converting to an issue where people can express interest.

Troubleshooting Deployments on GKE
Help fixing problems on GKE and GCP

Mostly up to date

Tutorial: End-to-end Kubeflow on GCP
Training an MNIST model with Kubeflow on Google Cloud Platform

Suggest remove first, add back the page with latest e2e pipeline later.

Logging and monitoring
Logging and monitoring for Kubeflow

Suggest remove, doesn't look very kubeflow specific.

[zijianjoy]

Thank you Yuan for going through the GKE docs!

I have updated kubeflow/website#2696 to include those changes.

The remaining items need validation, I will update them later on:

1. Enabling GPU and TPU
2. Using Preemptible VMs and GPUs on GCP
3. Using Your Own Domain