Update go dependencies (#2234)

vendor/github.com/mailru/easyjson/jlexer/bytestostr.go

@@ -1,24 +0,0 @@
-// This file will only be included to the build if neither
-// easyjson_nounsafe nor appengine build tag is set. See README notes
-// for more details.
-
-//+build !easyjson_nounsafe
-//+build !appengine
-
-package jlexer
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-// bytesToStr creates a string pointing at the slice to avoid copying.
-//
-// Warning: the string returned by the function should be used with care, as the whole input data
-// chunk may be either blocked from being freed by GC because of a single string or the buffer.Data
-// may be garbage-collected even when the string exists.
-func bytesToStr(data []byte) string {
-	h := (*reflect.SliceHeader)(unsafe.Pointer(&data))
-	shdr := reflect.StringHeader{Data: h.Data, Len: h.Len}
-	return *(*string)(unsafe.Pointer(&shdr))
-}