Revert "AUTH-1941: Adds initial SSH server implementation"

This reverts commit e9c9bf3cbd.

vendor/github.com/creack/pty/run.go

@@ -1,57 +0,0 @@
-// +build !windows
-
-package pty
-
-import (
-	"os"
-	"os/exec"
-	"syscall"
-)
-
-// Start assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
-// and c.Stderr, calls c.Start, and returns the File of the tty's
-// corresponding pty.
-func Start(c *exec.Cmd) (pty *os.File, err error) {
-	return StartWithSize(c, nil)
-}
-
-// StartWithSize assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
-// and c.Stderr, calls c.Start, and returns the File of the tty's
-// corresponding pty.
-//
-// This will resize the pty to the specified size before starting the command
-func StartWithSize(c *exec.Cmd, sz *Winsize) (pty *os.File, err error) {
-	pty, tty, err := Open()
-	if err != nil {
-		return nil, err
-	}
-	defer tty.Close()
-	if sz != nil {
-		err = Setsize(pty, sz)
-		if err != nil {
-			pty.Close()
-			return nil, err
-		}
-	}
-	if c.Stdout == nil {
-		c.Stdout = tty
-	}
-	if c.Stderr == nil {
-		c.Stderr = tty
-	}
-	if c.Stdin == nil {
-		c.Stdin = tty
-	}
-	if c.SysProcAttr == nil {
-		c.SysProcAttr = &syscall.SysProcAttr{}
-	}
-	c.SysProcAttr.Setctty = true
-	c.SysProcAttr.Setsid = true
-	c.SysProcAttr.Ctty = int(tty.Fd())
-	err = c.Start()
-	if err != nil {
-		pty.Close()
-		return nil, err
-	}
-	return pty, err
-}