gruvbox#bg_toggle() is redundant

autoload/gruvbox.vim

@@ -3,19 +3,9 @@
 " Description: Retro groove color scheme for Vim
 " Author: morhetz <morhetz@gmail.com>
 " Source: https://github.com/morhetz/gruvbox
-" Last Modified: 11 Mar 2014
+" Last Modified: 09 Apr 2014
 " -----------------------------------------------------------------------------
 
-function! gruvbox#bg_toggle()
-	if &background == 'dark'
-		set background=light
-	else
-		set background=dark
-	endif
-
-	colorcheme gruvbox
-endfunction
-
 function! gruvbox#invert_signs_toggle()
 	if g:gruvbox_invert_signs == 0
 		let g:gruvbox_invert_signs=1