use dep instead of glide

vendor/golang.org/x/net/ipv6/icmp_linux.go

@@ -1,27 +0,0 @@
-// Copyright 2013 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.
-
-package ipv6
-
-func (f *icmpv6Filter) accept(typ ICMPType) {
-	f.Data[typ>>5] &^= 1 << (uint32(typ) & 31)
-}
-
-func (f *icmpv6Filter) block(typ ICMPType) {
-	f.Data[typ>>5] |= 1 << (uint32(typ) & 31)
-}
-
-func (f *icmpv6Filter) setAll(block bool) {
-	for i := range f.Data {
-		if block {
-			f.Data[i] = 1<<32 - 1
-		} else {
-			f.Data[i] = 0
-		}
-	}
-}
-
-func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
-	return f.Data[typ>>5]&(1<<(uint32(typ)&31)) != 0
-}