CI: don't install abigail-tools

We use docker image instead.

Reviewed-by: John Kennedy <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: George Melikov <[email protected]>
Closes openzfs#12529

Author: gmelikov

.github/workflows/checkstyle.yaml

@@ -18,7 +18,7 @@ jobs:
         sudo apt-get install --yes -qq zlib1g-dev uuid-dev libattr1-dev libblkid-dev libselinux-dev libudev-dev libssl-dev python-dev python-setuptools python-cffi python3 python3-dev python3-setuptools python3-cffi
         # packages for tests
         sudo apt-get install --yes -qq parted lsscsi ksh attr acl nfs-kernel-server fio
-        sudo apt-get install --yes -qq mandoc cppcheck pax-utils devscripts abigail-tools
+        sudo apt-get install --yes -qq mandoc cppcheck pax-utils devscripts
         sudo -E pip --quiet install flake8
     - name: Prepare
       run: |