Merge pull request #394 from andrewhsu/rm28

remove fedora 28 because it is eol

Author: seemethere

README.md

@@ -11,7 +11,6 @@ The scripts will build for this list of packages types:
 * DEB packages for Ubuntu 16.04 Xenial
 * DEB packages for Debian 10 Buster
 * DEB packages for Debian 9 Stretch
-* RPM packages for Fedora 28
 * RPM packages for Fedora 27
 * RPM packages for CentOS 7
 * TGZ and ZIP files with static binaries

rpm/Makefile

@@ -42,7 +42,7 @@ RUN?=$(RPMBUILD) rpmbuild-$@/$(ARCH) $(RPMBUILD_FLAGS)
 SOURCE_FILES=engine-image engine.tgz cli.tgz docker.service docker.socket distribution_based_engine.json plugin-installers.tgz
 SOURCES=$(addprefix rpmbuild/SOURCES/, $(SOURCE_FILES))
 
-FEDORA_RELEASES := fedora-31 fedora-30 fedora-29 fedora-28
+FEDORA_RELEASES := fedora-31 fedora-30 fedora-29
 CENTOS_RELEASES := centos-7
 
 .PHONY: help