fix(terminal): disable reflow again

reverts c855eee919

This setting introduces constant CI failures on macos
(see https://github.com/neovim/neovim/issues/23762).

runtime/doc/news.txt

@@ -179,10 +179,6 @@ The following new APIs and features were added.
 • |'foldtext'| can be set to an empty string to disable and render the line:
   as normal with regular highlighting and no line wrapping.
 
-• The terminal buffer now supports reflow (wrapped lines adapt when the buffer
-  is resized horizontally). Note: Lines that are not visible and kept in
-  |'scrollback'| are not reflown.
-
 • |vim.system()| for running system commands.
 
 • |vim.lpeg| and |vim.re| expose the bundled Lpeg expression grammar parser

runtime/doc/options.txt

@@ -4953,9 +4953,6 @@ A jump table for the options with a short description can be found at |Q_op|.
 	Minimum is 1, maximum is 100000.
 	Only in |terminal| buffers.
 
-	Note: Lines that are not visible and kept in scrollback are not
-	reflown when the terminal buffer is resized horizontally.
-
 			*'scrollbind'* *'scb'* *'noscrollbind'* *'noscb'*
 'scrollbind' 'scb'	boolean	(default off)
 			local to window

runtime/lua/vim/_meta/options.lua

@@ -5195,9 +5195,6 @@ vim.wo.scr = vim.wo.scroll
 --- Minimum is 1, maximum is 100000.
 --- Only in `terminal` buffers.
 ---
---- Note: Lines that are not visible and kept in scrollback are not
---- reflown when the terminal buffer is resized horizontally.
----
 --- @type integer
 vim.o.scrollback = -1
 vim.o.scbk = vim.o.scrollback