remove ranger function and clean up comments

.config/zsh/.zshrc

@@ -1,7 +1,7 @@
 autoload -U colors && colors
 PS1="%B%{$fg[red]%}[%{$fg[yellow]%}%n%{$fg[green]%}@%{$fg[blue]%}%M %{$fg[magenta]%}%~%{$fg[red]%}]%{$reset_color%}$%b "
 
-# Load aliases and shortcuts if existent.
+# Attempt to load ~/.config/aliases and ~/.config/shortcuts
 [ -f "$HOME/.config/shortcutrc" ] && source "$HOME/.config/shortcutrc"
 [ -f "$HOME/.config/aliasrc" ] && source "$HOME/.config/aliasrc"
 
@@ -53,14 +53,6 @@ echo -ne '\e[5 q'
 # Use beam shape cursor for each new prompt.
 preexec() { echo -ne '\e[5 q' ;}
 
-ranger() {
-    if [ -z "$RANGER_LEVEL" ]; then
-        /usr/bin/ranger "$@"
-    else
-        exit
-    fi
-}
-
 alias clear='timeout 6 cbeams -o; clear'
 
 # Load zsh-syntax-highlighting; should be last.