[Ubuntu] Remove docs logic from Ubuntu provisioner (#1603)

* Remove docs logic on Ubuntu

* Cleanup templates

* Fix oras-cli.sh

* Remove announcements.md

images/linux/scripts/installers/firefox.sh

@@ -4,8 +4,6 @@
 ##  Desc:  Installs Firefox
 ################################################################################
 
-# Source the helpers for use with the script
-source $HELPER_SCRIPTS/document.sh
 
 # Install Firefox
 apt-get install -y firefox
@@ -20,13 +18,6 @@ fi
 # Default firefox local is en_GB
 echo 'pref("intl.locale.requested","en_US");' >> "/usr/lib/firefox/browser/defaults/preferences/syspref.js"
 
-# Document what was added to the image
-echo "Lastly, documenting what we added to the metadata file"
-# Resolves: Running Firefox as root in a regular user's session is not supported.
-#           ($HOME is /home/packer which is owned by packer.)
-HOME=/root
-DocumentInstalledItem "Firefox ($(firefox --version))"
-
 # Download and unpack latest release of geckodriver
 URL=$(curl -s https://api.github.com/repos/mozilla/geckodriver/releases/latest | jq -r '.assets[].browser_download_url | select(test("linux64.tar.gz$"))')
 echo "Downloading geckodriver $URL"
@@ -50,7 +41,3 @@ if ! command -v geckodriver; then
     echo "geckodriver was not installed"
     exit 1
 fi
-
-echo "Lastly, documenting what we added to the metadata file"
-ver=`geckodriver --version | head -1 |awk '{print $2}'`
-DocumentInstalledItem "Geckodriver (${ver}); Gecko Driver is available via GECKOWEBDRIVER environment variable"