Drop X11 requirements for the CI build

Author: JanWielemaker

.github/workflows/ci.yml

@@ -28,8 +28,6 @@ jobs:
           unixodbc-dev
           zlib1g-dev libarchive-dev
           libossp-uuid-dev
-          libxext-dev libice-dev libjpeg-dev libxinerama-dev libxft-dev
-          libxpm-dev libxt-dev
           libdb-dev
           libpcre2-dev
           libyaml-dev