Remove unused model

models/chatActionEvent.go

@@ -1,12 +0,0 @@
-package models
-
-import "time"
-
-// ChatActionEvent represents a generic action that took place by a chat user.
-type ChatActionEvent struct {
-	Username  string    `json:"username"`
-	Type      EventType `json:"type"`
-	ID        string    `json:"id"`
-	Timestamp time.Time `json:"timestamp,omitempty"`
-	Message   string    `json:"message,omitempty"`
-}