alias/homesick: shellcheck

Alsö, remove impossible alias. If someone wants it, they can write the function, but since aliases literally don't work this way it seems obvious that nobody has ever used it.

aliases/available/homesick.aliases.bash

@@ -1,4 +1,4 @@
-cite 'about-alias'
+# shellcheck shell=bash
 about-alias 'homesick aliases'
 
 # Aliases
@@ -19,6 +19,5 @@ alias sikpsh="homesick push dotfiles"
 alias sikrc="homesick rc dotfiles"
 alias sikpth="homesick show_path dotfiles"
 alias sikst="homesick status dotfiles"
-alias siktrk="homesick track $1 dotfiles"
 alias sikulnk="homesick unlink dotfiles"
 alias sikv="homesick version"