Add dnf-plugins-core to the package-installs; this lets things like "dnf copr" work automatically and is in-line with fedora-minimal base packages. While we're here, clean up some unneeded packages, and remove the pkg-map that isn't relevant for Fedora builds. Change-Id: Iad5a4717bcb55928377cc159b3360b0a70c5c5ac
fedora-container
Create a minimal image based on Fedora container image
This element sets the DISTRO_NAME var to 'fedora'. The
release of fedora to be installed can be controlled through the
DIB_RELEASE variable, which defaults the latest supported
release.