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

This reverts commit e9c9bf3cbd.

vendor/github.com/gliderlabs/ssh/util.go

@@ -1,83 +0,0 @@
-package ssh
-
-import (
-	"crypto/rand"
-	"crypto/rsa"
-	"encoding/binary"
-
-	"golang.org/x/crypto/ssh"
-)
-
-func generateSigner() (ssh.Signer, error) {
-	key, err := rsa.GenerateKey(rand.Reader, 2048)
-	if err != nil {
-		return nil, err
-	}
-	return ssh.NewSignerFromKey(key)
-}
-
-func parsePtyRequest(s []byte) (pty Pty, ok bool) {
-	term, s, ok := parseString(s)
-	if !ok {
-		return
-	}
-	width32, s, ok := parseUint32(s)
-	if !ok {
-		return
-	}
-	height32, _, ok := parseUint32(s)
-	if !ok {
-		return
-	}
-	pty = Pty{
-		Term: term,
-		Window: Window{
-			Width:  int(width32),
-			Height: int(height32),
-		},
-	}
-	return
-}
-
-func parseWinchRequest(s []byte) (win Window, ok bool) {
-	width32, s, ok := parseUint32(s)
-	if width32 < 1 {
-		ok = false
-	}
-	if !ok {
-		return
-	}
-	height32, _, ok := parseUint32(s)
-	if height32 < 1 {
-		ok = false
-	}
-	if !ok {
-		return
-	}
-	win = Window{
-		Width:  int(width32),
-		Height: int(height32),
-	}
-	return
-}
-
-func parseString(in []byte) (out string, rest []byte, ok bool) {
-	if len(in) < 4 {
-		return
-	}
-	length := binary.BigEndian.Uint32(in)
-	if uint32(len(in)) < 4+length {
-		return
-	}
-	out = string(in[4 : 4+length])
-	rest = in[4+length:]
-	ok = true
-	return
-}
-
-func parseUint32(in []byte) (uint32, []byte, bool) {
-	if len(in) < 4 {
-		return 0, nil, false
-	}
-	return binary.BigEndian.Uint32(in), in[4:], true
-}