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rx: remove ssh code

--- a/sys/src/cmd/rx.c

+++ b/sys/src/cmd/rx.c

@@ -17,7 +17,6 @@

 char	*buildargs(char*[]);

 int	send(int);

 void	error(char*, char*);

-void	sshexec(char*, char*);

 void

 usage(void)

@@ -71,14 +70,6 @@

 		rex(fd, args);

 	close(fd);

-	/* if there's an ssh port, try that */

-	fd = call("tcp", host, "ssh", &addr);

-	if(fd >= 0){

-		close(fd);

-		sshexec(host, args);

-		/* falls through if no ssh */

-	}

-

 	/* specific attempts */

 	fd = call("tcp", host, "shell", &addr);

 	if(fd >= 0)

@@ -214,27 +205,6 @@

 	sleep(250);

 	postnote(PNPROC, kid, note);/**/

 	exits(0);

-}

-

-void

-sshexec(char *host, char *cmd)

-{

-	char *argv[10];

-	int n;

-

-	n = 0;

-	argv[n++] = "ssh";

-	argv[n++] = "-iCm";

-	if(!returns)

-		argv[n++] = "-r";

-	if(ruser){

-		argv[n++] = "-l";

-		argv[n++] = ruser;

-	}

-	argv[n++] = host;

-	argv[n++] = cmd;

-	argv[n] = 0;

-	exec("/bin/ssh", argv);

 }

 int