[unbugware] ensure_libxmlsec1

All I know is that [the upstream issue looks fixed](xmlsec/python-xmlsec#254)

xaasible

@@ -27,7 +27,6 @@ ansible_suitcase_dir () {
 
 ensure_ansible () {
     if ! test -f "$(ansible_suitcase_dir)"/.versions 2>/dev/null; then
-        ensure_libxmlsec1
         curl https://raw.githubusercontent.com/epfl-si/ansible.suitcase/master/install.sh | \
             SUITCASE_DIR="$(ansible_suitcase_dir)" \
             SUITCASE_PIP_EXTRA="bcrypt passlib kubernetes pyvmomi ldap3 python3-saml lxml" \
@@ -40,43 +39,6 @@ ensure_ansible () {
     ensure_ansible_runtime
 }
 
-ensure_libxmlsec1 () {
-    local xmlsec1_version="$(pkg-config --print-provides xmlsec1)"
-    local macosx_downgrade_bugware_explainer="
-Because of some (temporary?) lack of maintenance in python-xmlsec (see
-https://github.com/xmlsec/python-xmlsec/issues/254 ), you have to make
-sure to install an older version:
-
-   wget -O /tmp/libxmlsec1.rb https://raw.githubusercontent.com/Homebrew/homebrew-core/7f35e6ede954326a10949891af2dba47bbe1fc17/Formula/libxmlsec1.rb
-   brew install --formula /tmp/libxmlsec1.rb
-   brew pin libxmlsec1
-
-"
-    case "$xmlsec1_version" in
-        "")
-            cat >&2 <<'PLEASE_INSTALL_XMLSEC1'
-Fatal: libxmlsec1 (+ development kit) is required for python3-saml.
-PLEASE_INSTALL_XMLSEC1
-            case "$(uname -s)" in
-                Linux)
-                    echo >&2; echo >&2 'Bailing out.' ;;
-                Darwin)
-                    echo >&2 "$macosx_downgrade_bugware_explainer" ;;
-            esac
-            exit 1;;
-
-        *"= 1.3."*)
-            case "$(uname -s)" in
-                Darwin)
-                    cat >&2 <<"PLEASE_DOWNGRADE_XMLSEC1"
-Fatal: version 1.3.x of xmlsec1 detected; please downgrade.
-$macosx_downgrade_bugware_explainer
-PLEASE_DOWNGRADE_XMLSEC1
-                    exit 1 ;;
-            esac ;;
-    esac
-}
-
 ensure_oc () {
     oc --help > /dev/null || fatal <<'PLEASE_INSTALL_OC'