remove myself from some reviewers lists (#16753)

I haven't worked on this stuff for a while, and in an effort to be more
responsive to reviews, I'd like to cut the files I review in ~half.

content/en/docs/reference/setup-tools/kubeadm/implementation-details.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: Implementation details

content/en/docs/reference/setup-tools/kubeadm/kubeadm-alpha.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: kubeadm alpha

content/en/docs/reference/setup-tools/kubeadm/kubeadm-config.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: kubeadm config

content/en/docs/reference/setup-tools/kubeadm/kubeadm-init.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: kubeadm init

content/en/docs/reference/setup-tools/kubeadm/kubeadm-join.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: kubeadm join

content/en/docs/reference/setup-tools/kubeadm/kubeadm-reset.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: kubeadm reset

content/en/docs/reference/setup-tools/kubeadm/kubeadm-token.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: kubeadm token

content/en/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: kubeadm upgrade

content/en/docs/reference/setup-tools/kubeadm/kubeadm-version.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: kubeadm version

content/en/docs/reference/setup-tools/kubeadm/kubeadm.md

@@ -1,6 +1,5 @@
 ---
 reviewers:
-- mikedanese
 - luxas
 - jbeda
 title: Overview of kubeadm