Revert "Use a different workaround for Neovim #23621."

This reverts commit 65c2fa5.

This is no longer necessary.
neovim/neovim#25502 (comment)

packages/vim/.vimrc

@@ -287,13 +287,6 @@ function! OptsStl() abort
   if !empty(l:options)
     let l:result = '[' . join(l:options, ',') . ']'
   endif
-  " Add a workaround for Neovim #23621 (see the first comment, about <silent>
-  " used with :, which is applicable here). This approach is used instead of
-  " 'autocmd OptionSet * silent! redrawstatus!' since the latter results in a
-  " cursor blinking or disappearing (and status bar blinking) when using
-  " scrollview with all signs and a vertically split window, as of Neovim PR
-  " #25395 (reported in Neovim #25502).
-  redrawstatus!
   return l:result
 endfunction
 
@@ -726,6 +719,10 @@ augroup autocommands
   autocmd BufWritePre * if !isdirectory(expand('<afile>:p:h'))
         \ | call mkdir(expand('<afile>:p:h'), 'p') | endif
 
+  " Add a workaround for Neovim #23621 (see the first comment, about <silent>
+  " used with :, which is applicable here).
+  autocmd OptionSet * silent! redrawstatus!
+
   " === FileType ===
   " FileType autocommands are used in preference to ftplugin/ and
   " after/ftplugin, to 1) keep settings contained to .vimrc and avoid