feat(normal)!: remove the default gs normal mode command

Problem:

gs is a stupid normal command.

Solution:

Remove it!

runtime/doc/news.txt

@@ -140,6 +140,8 @@ The following changes may require adaptations in user config or plugins.
 • |nvim_open_win()| now blocks all autocommands when `noautocmd` is set,
   rather than just those from setting the `buffer` to display in the window.
 
+• Removed the |gs| normal command.
+
 ==============================================================================
 BREAKING CHANGES IN HEAD                                    *news-breaking-dev*
 

runtime/doc/various.txt

@@ -515,16 +515,15 @@ gO			Show a filetype-specific, navigable "outline" of the
 
 			Currently works in |help| and |:Man| buffers.
 
-[N]gs							*gs* *:sl* *:sleep*
+								*:sl* *:sleep*
 :[N]sl[eep] [N][m]	Do nothing for [N] seconds, or [N] milliseconds if [m]
-			was given.  "gs" always uses seconds.
+			was given.
 			Default is one second. >
 			     :sleep	     "sleep for one second
 			     :5sleep	     "sleep for five seconds
 			     :sleep 100m     "sleep for 100 milliseconds
 			     10gs	     "sleep for ten seconds
 <			Can be interrupted with CTRL-C.
-			"gs" stands for "goto sleep".
 			While sleeping the cursor is positioned in the text,
 			if at a visible position.
 			Queued messages are processed during the sleep.

runtime/doc/vim_diff.txt

@@ -675,6 +675,8 @@ Highlight groups:
         \|setlocal winhighlight=StatusLine:StatusLineTerm,StatusLineNC:StatusLineTermNC
         \|else|setlocal winhighlight=|endif
 <
+Normal commands:
+  *gs*
 
 Options:
   *'aleph'* *'al'*

src/nvim/normal.c

@@ -5525,11 +5525,6 @@ static void nv_g_cmd(cmdarg_T *cap)
     nv_gomark(cap);
     break;
 
-  // "gs": Goto sleep.
-  case 's':
-    do_sleep(cap->count1 * 1000);
-    break;
-
   // "ga": Display the ascii value of the character under the
   // cursor.    It is displayed in decimal, hex, and octal. -- webb
   case 'a':

test/old/testdir/test_sleep.vim

@@ -21,7 +21,7 @@ func! Test_sleep_bang()
   call s:assert_takes_longer('sl 50m', 50)
   call s:assert_takes_longer('sl! 50m', 50)
   call s:assert_takes_longer('1sleep', 1000)
-  call s:assert_takes_longer('normal 1gs', 1000)
+  " call s:assert_takes_longer('normal 1gs', 1000)
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab