Revert "deprecate hls cursor functions"

This reverts commit 6de3dc3793.

autoload/gruvbox.vim

@@ -16,4 +16,26 @@ function! gruvbox#invert_signs_toggle()
   colorscheme gruvbox
 endfunction
 
+" Search Highlighting {{{
+
+function! gruvbox#hls_show()
+  set hlsearch
+  call GruvboxHlsShowCursor()
+endfunction
+
+function! gruvbox#hls_hide()
+  set nohlsearch
+  call GruvboxHlsHideCursor()
+endfunction
+
+function! gruvbox#hls_toggle()
+  if &hlsearch
+    call gruvbox#hls_hide()
+  else
+    call gruvbox#hls_show()
+  endif
+endfunction
+
+" }}}
+
 " vim: set sw=2 ts=2 sts=2 et tw=80 ft=vim fdm=marker: