scripts/ci: rm shellcheck disable annotations

Those are no longer needed with shellcheck 0.8.0.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

scripts/ci/docker-test.sh

@@ -1,7 +1,5 @@
 #!/bin/bash
 
-# shellcheck disable=SC2015
-
 set -x -e -o pipefail
 
 ./apt-install \

scripts/ci/podman-test.sh

@@ -27,7 +27,6 @@ rm -rf "${tmp_dir}"
 
 podman info
 
-# shellcheck disable=SC2016
 podman run --name cr -d docker.io/library/alpine /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
 
 sleep 1