remove function wrapper around kubectl alias registration

aliases/available/kubectl.aliases.bash

@@ -1,7 +1,6 @@
 # shellcheck shell=bash
 about-alias 'kubectl aliases'
 
-function _set_pkg_aliases() {
 if _command_exists kubectl; then
 	alias kc='kubectl'
 	alias kcgp='kubectl get pods'
@@ -15,6 +14,3 @@ function _set_pkg_aliases() {
 	# launches a disposable netshoot pod in the k8s cluster
 	alias kcnetshoot='kubectl run netshoot-$(date +%s) --rm -i --tty --image nicolaka/netshoot -- /bin/bash'
 fi
-}
-
-_set_pkg_aliases