Improve deployment docs, prep for release v0.9.0

* Update deployment docs to target Fedora CoreOS and Flatcar Linux
* Remove redundant systemd units

scripts/dev/get-bootkube

@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-# USAGE: ./get-bootkube bin
-# Get the bootkube tool
-set -eu
-
-DEST=${1:-"bin"}
-VERSION="v0.9.1"
-
-URL="https://github.com/kubernetes-incubator/bootkube/releases/download/${VERSION}/bootkube.tar.gz"
-
-mkdir -p $DEST
-curl -L -O ${URL}
-tar -C $DEST --strip-components=2 -xzf bootkube.tar.gz bin/linux/bootkube
-chmod +x ${DEST}/bootkube

scripts/dev/get-kubectl

@@ -1,13 +0,0 @@
-#!/usr/bin/env bash
-# USAGE: ./get-kubectl bin
-# Get the kubectl client
-set -eu
-
-DEST=${1:-"bin"}
-VERSION="v1.7.7"
-
-URL="https://storage.googleapis.com/kubernetes-release/release/${VERSION}/bin/linux/amd64/kubectl"
-
-mkdir -p ${DEST}
-curl -L -o ${DEST}/kubectl ${URL}
-chmod +x ${DEST}/kubectl

scripts/dev/release-files

@@ -18,9 +18,8 @@ cp README.md $DEST
 
 # scripts
 mkdir -p $SCRIPTS/tls
-cp scripts/get-coreos $SCRIPTS
-cp scripts/get-coreos $SCRIPTS
-cp scripts/get-coreos $SCRIPTS
+cp scripts/get-fedora-coreos $SCRIPTS
+cp scripts/get-flatcar $SCRIPTS
 cp scripts/tls/README.md $SCRIPTS/tls
 cp scripts/tls/cert-gen $SCRIPTS/tls
 cp scripts/tls/openssl.conf $SCRIPTS/tls