Update go dependencies (#2234)

vendor/github.com/mailru/easyjson/raw.go

@@ -1,45 +0,0 @@
-package easyjson
-
-import (
-	"github.com/mailru/easyjson/jlexer"
-	"github.com/mailru/easyjson/jwriter"
-)
-
-// RawMessage is a raw piece of JSON (number, string, bool, object, array or
-// null) that is extracted without parsing and output as is during marshaling.
-type RawMessage []byte
-
-// MarshalEasyJSON does JSON marshaling using easyjson interface.
-func (v *RawMessage) MarshalEasyJSON(w *jwriter.Writer) {
-	if len(*v) == 0 {
-		w.RawString("null")
-	} else {
-		w.Raw(*v, nil)
-	}
-}
-
-// UnmarshalEasyJSON does JSON unmarshaling using easyjson interface.
-func (v *RawMessage) UnmarshalEasyJSON(l *jlexer.Lexer) {
-	*v = RawMessage(l.Raw())
-}
-
-// UnmarshalJSON implements encoding/json.Unmarshaler interface.
-func (v *RawMessage) UnmarshalJSON(data []byte) error {
-	*v = data
-	return nil
-}
-
-var nullBytes = []byte("null")
-
-// MarshalJSON implements encoding/json.Marshaler interface.
-func (v RawMessage) MarshalJSON() ([]byte, error) {
-	if len(v) == 0 {
-		return nullBytes, nil
-	}
-	return v, nil
-}
-
-// IsDefined is required for integration with omitempty easyjson logic.
-func (v *RawMessage) IsDefined() bool {
-	return len(*v) > 0
-}