fix(git): add vendor in .gitignore

vendor/golang.org/x/sys/unix/bluetooth_linux.go

@@ -1,36 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Bluetooth sockets and messages
-
-package unix
-
-// Bluetooth Protocols
-const (
-	BTPROTO_L2CAP  = 0
-	BTPROTO_HCI    = 1
-	BTPROTO_SCO    = 2
-	BTPROTO_RFCOMM = 3
-	BTPROTO_BNEP   = 4
-	BTPROTO_CMTP   = 5
-	BTPROTO_HIDP   = 6
-	BTPROTO_AVDTP  = 7
-)
-
-const (
-	HCI_CHANNEL_RAW     = 0
-	HCI_CHANNEL_USER    = 1
-	HCI_CHANNEL_MONITOR = 2
-	HCI_CHANNEL_CONTROL = 3
-	HCI_CHANNEL_LOGGING = 4
-)
-
-// Socketoption Level
-const (
-	SOL_BLUETOOTH = 0x112
-	SOL_HCI       = 0x0
-	SOL_L2CAP     = 0x6
-	SOL_RFCOMM    = 0x12
-	SOL_SCO       = 0x11
-)