Use matterbridge vendored slack

vendor/github.com/nlopes/slack/history.go

@@ -1,36 +0,0 @@
-package slack
-
-const (
-	DEFAULT_HISTORY_LATEST    = ""
-	DEFAULT_HISTORY_OLDEST    = "0"
-	DEFAULT_HISTORY_COUNT     = 100
-	DEFAULT_HISTORY_INCLUSIVE = false
-	DEFAULT_HISTORY_UNREADS   = false
-)
-
-// HistoryParameters contains all the necessary information to help in the retrieval of history for Channels/Groups/DMs
-type HistoryParameters struct {
-	Latest    string
-	Oldest    string
-	Count     int
-	Inclusive bool
-	Unreads   bool
-}
-
-// History contains message history information needed to navigate a Channel / Group / DM history
-type History struct {
-	Latest   string    `json:"latest"`
-	Messages []Message `json:"messages"`
-	HasMore  bool      `json:"has_more"`
-}
-
-// NewHistoryParameters provides an instance of HistoryParameters with all the sane default values set
-func NewHistoryParameters() HistoryParameters {
-	return HistoryParameters{
-		Latest:    DEFAULT_HISTORY_LATEST,
-		Oldest:    DEFAULT_HISTORY_OLDEST,
-		Count:     DEFAULT_HISTORY_COUNT,
-		Inclusive: DEFAULT_HISTORY_INCLUSIVE,
-		Unreads:   DEFAULT_HISTORY_UNREADS,
-	}
-}