Removed use of quickinstall script for build host setup

We want to migrate the quick install script away from supporting older platforms so stop using it here where we need to support older platforms.

If cf-remote doesn't work then install from source will certainly work.

Ticket: ENT-13483
Changelog: none

Author: craigcomstock

ci/setup-cfengine-build-host.sh

@@ -2,45 +2,6 @@
 shopt -s expand_aliases
 thisdir="$(dirname "$0")"
 
-# Use the newest CFEngine version we can
-CFE_VERSION=3.26.0
-if [ -f /etc/centos-release ]; then
-  _version=$(cat /etc/centos-release | cut -d' ' -f3 | cut -d. -f1)
-  if [ "$_version" = "6" ]; then
-    CFE_VERSION=3.24.2
-  fi
-elif [ -f /etc/os-release ]; then
-  source /etc/os-release
-  if [ "$ID" = "debian" ]; then
-    if [ "$VERSION_ID" -lt "9" ]; then
-      echo "Platform $ID $VERSION_ID is too old."
-      exit 9
-    fi
-    if [ "$VERSION_ID" -lt "11" ]; then
-      CFE_VERSION=3.21.7
-    fi
-  fi
-  if [ "$ID" = "redhat" ] || [ "$ID" = "centos" ]; then
-    if [ "$VERSION_ID" -lt "6" ]; then
-      echo "Platform $ID $VERSION_ID is too old."
-      exit 9
-    fi
-    if [ "$VERSION_ID" -lt "7" ]; then
-      CFE_VERSION=3.24.2
-    fi
-  fi
-  if [ "$ID" = "ubuntu" ]; then
-    _version="$(echo "$VERSION_ID" | cut -d. -f1)"
-    if [ "$_version" -lt "16" ]; then
-      echo "Platform $ID $VERSION_ID is too old."
-      exit 9
-    fi
-    if [ "$_version" -lt "20" ]; then
-      CFE_VERSION=3.21.7
-    fi
-  fi
-fi
-
 # install needed packages and software for a build host
 set -ex
 if [ "$(id -u)" != "0" ]; then
@@ -147,41 +108,9 @@ else
 fi
 
 echo "Checking for pre-installed CFEngine (chicken/egg problem)"
-# We need a cf-agent to run build host setup policy and redhat-10-arm has not previous package to install.
-# solution: install from source and make a custom AWS AMI image
-if ! /var/cfengine/bin/cf-agent -V; then
-  echo "No existing CFEngine install found, try quickinstall script..."
-  if grep -i suse /etc/os-release; then
-    # need to add our public key first otherwise zypper install fails
-    rpm --import https://cfengine-package-repos.s3.amazonaws.com/pub/gpg.key
-    if grep 'VERSION.*12' /etc/os-release; then
-      urlget https://cfengine-package-repos.s3.amazonaws.com/enterprise/Enterprise-"$CFE_VERSION"/agent/agent_suse12_x86_64/cfengine-nova-"$CFE_VERSION"-1.suse12.x86_64.rpm
-      zypper install -y cfengine-nova-"$CFE_VERSION"-1.suse12.x86_64.rpm
-    elif grep 'VERSION.*15' /etc/os-release; then
-      urlget https://cfengine-package-repos.s3.amazonaws.com/enterprise/Enterprise-"$CFE_VERSION"/agent/agent_suse15_x86_64/cfengine-nova-"$CFE_VERSION"-1.suse15.x86_64.rpm
-      zypper install -y cfengine-nova-"$CFE_VERSION"-1.suse15.x86_64.rpm
-    else
-      echo "Unsupported suse version:"
-      grep VERSION /etc/os-release
-      exit 1
-    fi
-  else
-    urlget https://s3.amazonaws.com/cfengine.packages/quick-install-cfengine-enterprise.sh
-    # log sha256 checksum expected and actuall for debugging purposes
-    echo "Expected quick install checksum: "
-    cat "$thisdir"/quick-install-cfengine-enterprise.sh.sha256
-    echo "Actual quick install checksum: "
-    sha256sum quick-install-cfengine-enterprise.sh
-  
-    sha256sum --check "$thisdir"/quick-install-cfengine-enterprise.sh.sha256
-    chmod +x quick-install-cfengine-enterprise.sh
-    export CFEngine_Enterprise_Package_Version="$CFE_VERSION"
-    bash ./quick-install-cfengine-enterprise.sh agent
-  fi
-fi
-
+# We need a cf-agent to run build host setup policy and redhat-10-arm did not have a previous package to install.
 if ! /var/cfengine/bin/cf-agent -V; then
-  echo "quickinstall script didn't install CFEngine, try cf-remote..."
+  echo "No existing CFEngine install found, try cf-remote..."
   # try pipx first for debian as pip won't work.
   # If that fails to install CFEngine then try python3-pip for redhats.
   if software pipx; then
@@ -199,7 +128,7 @@ fi
 if [ ! -x /var/cfengine/bin/cf-agent ]; then
   echo "cf-remote didn't install CFEngine, build from source..."
   software git
-  echo "quickinstall and cf-remote didn't install cf-agent, try from source"
+  echo "cf-remote didn't install cf-agent, try from source"
   CFE_VERSION=3.26.0 # need to use an actualy release which has a checksum for masterfiles download
   rm -rf core # just in case we are repeating the script
   git clone --recursive --depth 1 https://github.com/cfengine/core