Revert "daemon: add upload-tar service."

This reverts parts of commit 74c0cc2 and part of commit 355f541.

Franck and Rene are working on a unified upload-archive which
would supersede this when done, so better not to get in their
way.

Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/git-daemon.txt

@@ -135,12 +135,6 @@ upload-pack::
 	disable it by setting `daemon.uploadpack` configuration
 	item to `false`.
 
-upload-tar::
-	This serves `git-tar-tree --remote=repository` client.
-	It is not enabled by default, but a repository can
-	enable it by setting `daemon.uploadtar` configuration
-	item to `true`.
-
 Author
 ------
 Written by Linus Torvalds <torvalds@osdl.org>, YOSHIFUJI Hideaki

daemon.c

@@ -22,6 +22,7 @@ static const char daemon_usage[] =
 "           [--timeout=n] [--init-timeout=n] [--strict-paths]\n"
 "           [--base-path=path] [--user-path | --user-path=path]\n"
 "           [--reuseaddr] [--detach] [--pid-file=file]\n"
+"           [--[enable|disable|allow-override|forbid-override]=service]\n"
 "           [--user=user [[--group=group]] [directory...]";
 
 /* List of acceptable pathname prefixes */
@@ -324,15 +325,8 @@ static int upload_pack(void)
 	return -1;
 }
 
-static int upload_tar(void)
-{
-	execl_git_cmd("upload-tar", ".", NULL);
-	return -1;
-}
-
 static struct daemon_service daemon_service[] = {
 	{ "upload-pack", "uploadpack", upload_pack, 1, 1 },
-	{ "upload-tar", "uploadtar", upload_tar, 0, 1 },
 };
 
 static void enable_service(const char *name, int ena) {