patch 9.0.0657: too many #ifdefs

Problem:    Too many #ifdefs.
Solution:   Graduate the +cmdwin feature.  Now the tiny and small builds are
            equal, drop the small build.  (Martin Tournoij, closes #11268)
diff --git a/runtime/doc/cmdline.txt b/runtime/doc/cmdline.txt
index a9d3b36..8b37870 100644
--- a/runtime/doc/cmdline.txt
+++ b/runtime/doc/cmdline.txt
@@ -1124,7 +1124,6 @@
 In the command-line window the command line can be edited just like editing
 text in any window.  It is a special kind of window, because you cannot leave
 it in a normal way.
-{not available when compiled without the |+cmdwin| feature}
 
 
 OPEN						*c_CTRL-F* *q:* *q/* *q?*
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index 448091e..fdb744c 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -349,14 +349,14 @@
 N  *+byte_offset*	support for 'o' flag in 'statusline' option, "go"
 			and ":goto" commands.
 m  *+channel*		inter process communication |channel|
-6  *+cindent*		|'cindent'|, C indenting
+T  *+cindent*		|'cindent'|, C indenting; Always enabled
 N  *+clientserver*	Unix and Win32: Remote invocation |clientserver|
    *+clipboard*		|clipboard| support compiled-in
    *+clipboard_working*	|clipboard| support compiled-in and working
 T  *+cmdline_compl*	command line completion |cmdline-completion|
 T  *+cmdline_hist*	command line history |cmdline-history|
 N  *+cmdline_info*	|'showcmd'| and |'ruler'|
-S  *+cmdwin*		|cmdline-window| support
+T  *+cmdwin*		|cmdline-window| support; Always enabled since 9.0.0657
 T  *+comments*		|'comments'| support
 B  *+conceal*		"conceal" support, see |conceal| |:syn-conceal| etc.
 N  *+cryptv*		encryption support |encryption|