docs: Added instruction to also delete kube-proxy configmap

[yoshz]

This makes sure that kube-proxy is not reinstalled again on kubeadm upgrades from > 1.19.

[maintainer-s-little-helper]

Commit 0ddb54edb078f7a5d5b982db960603c9ca79066e does not contain "Signed-off-by".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[maintainer-s-little-helper]

Commits 0ddb54edb078f7a5d5b982db960603c9ca79066e, ac3a342ee506f646d593dede5315049b6b5a66dc do not contain "Signed-off-by".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[brb]

@yoshz Thanks! Could you sign off the commit (git commit -s --amend && git push -f)?

[brb]

@yoshz Thanks for the change. Could you keep the comment saying why the CM deletion is needed?

[joestringer]

Welcome to the community! Docs structure LGTM. Please do address @brb's feedback at your convenience.

[maintainer-s-little-helper]

Commit 91b28a163e494e1dfdd7984c46c78fa2f8775810 does not contain "Signed-off-by".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[maintainer-s-little-helper]

Commit 91b28a163e494e1dfdd7984c46c78fa2f8775810 does not contain "Signed-off-by".

Please follow instructions provided in https://docs.cilium.io/en/stable/contributing/development/contributing_guide/#developer-s-certificate-of-origin

[yoshz]

I have added the comment.

[joestringer]

I'm not sure why the bot is still complaining about signoffs, but would you mind squashing the two commits together? Maybe that will help. This page describes how to achieve this:

https://stackoverflow.com/questions/5189560/squash-my-last-x-commits-together-using-git

[yoshz]

Squashed the commits together, hopefully should be fine now.