alias/docker: shellcheck

aliases/available/docker.aliases.bash

@@ -1,4 +1,4 @@
-cite 'about-alias'
+# shellcheck shell=bash
 about-alias 'docker abbreviations'
 
 alias dk='docker'
@@ -19,7 +19,7 @@ case $OSTYPE in
 		;;
 esac
 
-if [ ! -z "$(command ls "${BASH_IT}/enabled/"{[0-9][0-9][0-9]${BASH_IT_LOAD_PRIORITY_SEPARATOR}docker,docker}.plugin.bash 2> /dev/null | head -1)" ]; then
+if _bash-it-component-item-is-enabled plugin docker; then
 	# Function aliases from docker plugin:
 	alias dkrmlc='docker-remove-most-recent-container' # Delete most recent (i.e., last) Docker container
 	alias dkrmall='docker-remove-stale-assets'         # Delete all untagged images and exited containers