Actually send event data

pkg/server/mapper.go

@@ -17,10 +17,6 @@ type defaultMapper struct {
 }
 
 func (d *defaultMapper) FromInternal(data map[string]interface{}) {
-	if t, ok := data["type"]; ok {
-		data["_type"] = t
-	}
-
 	if _, ok := data["id"]; ok || data == nil {
 		return
 	}