patch 9.0.0280: the builtin termcap list depends on the version

Problem:    The builtin termcap list depends on the version.
Solution:   Always include all termcap entries.  Remove duplicate lines.
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 15af01f..7aae8a0 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -10491,7 +10491,8 @@
 
 
 acl			Compiled with |ACL| support.
-all_builtin_terms	Compiled with all builtin terminals enabled.
+all_builtin_terms	Compiled with all builtin terminals enabled. (always
+			true)
 amiga			Amiga version of Vim.
 arabic			Compiled with Arabic support |Arabic|.
 arp			Compiled with ARP support (Amiga).
@@ -10505,7 +10506,7 @@
 			work.
 browsefilter		Compiled with support for |browsefilter|.
 bsd			Compiled on an OS in the BSD family (excluding macOS).
-builtin_terms		Compiled with some builtin terminals.
+builtin_terms		Compiled with some builtin terminals. (always true)
 byte_offset		Compiled with support for 'o' in 'statusline'
 channel			Compiled with support for |channel| and |job|
 cindent			Compiled with 'cindent' support. (always true)
diff --git a/runtime/doc/term.txt b/runtime/doc/term.txt
index 35cc02b..ae38366 100644
--- a/runtime/doc/term.txt
+++ b/runtime/doc/term.txt
@@ -43,15 +43,10 @@
 TERMCAP defined.
 
 					*builtin-terms* *builtin_terms*
-Which builtin terminals are available depends on a few defines in feature.h,
-which need to be set at compile time:
-    define		output of ":version"	terminals builtin	~
-NO_BUILTIN_TCAPS	-builtin_terms		none
-SOME_BUILTIN_TCAPS	+builtin_terms		most common ones (default)
-ALL_BUILTIN_TCAPS	++builtin_terms		all available
-
-You can see a list of available builtin terminals with ":set term=xxx" (when
-not running the GUI).  Also see |+builtin_terms|.
+A number of builtin terminals are available.  Since patch 9.0.0280 there is no
+difference between Vim versions.  You can see a list of available builtin
+terminals in the error message you get for `:set term=xxx` (when not running
+the GUI).  Also see |+builtin_terms|.
 
 If the termcap code is included Vim will try to get the strings for the
 terminal you are using from the termcap file and the builtin termcaps.  Both
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index 1ba5e04..fd2dcf0 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -342,8 +342,8 @@
 H  *+balloon_eval_term*	|balloon-eval| support in the terminal,
 			'balloonevalterm'
 N  *+browse*		|:browse| command
-N  *+builtin_terms*	some terminals builtin |builtin-terms|
-B  *++builtin_terms*	maximal terminals builtin |builtin-terms|
+T  *++builtin_terms*	maximal terminals builtin |builtin-terms| Always
+			enabled since 9.0.0280
 N  *+byte_offset*	support for 'o' flag in 'statusline' option, "go"
 			and ":goto" commands.
 m  *+channel*		inter process communication |channel|