Remove branch suffix from Linux and AppVeyor build

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
#
# Author:    Veronika Hanulíková <vhanulik@redhat.com>
#
# interactive rebase in progress; onto 19868984d
# Last commands done (3 commands done):
#    pick d4c728861 Restore runnig test-p11test.sh in Fedora
#    pick 3e5972c6b Remove branch suffix from Linux and AppVeyor build
# No commands remaining.
# You are currently rebasing branch 'master' on '19868984d'.
#
# Changes to be committed:
#	modified:   .appveyor.yml
#	modified:   .github/build.sh
#
# Untracked files:
#	debian/
#
