Removed gorm.model from all models.;

models/participant.go

@@ -2,12 +2,9 @@ package models
 
 import (
 	"time"
-
-	"gorm.io/gorm"
 )
 
 type DBParticipant struct {
-	gorm.Model
 	Address                          *string
 	Attributes                       *string    `gorm:"type:json"`
 	ConnectedTime                    *time.Time `gorm:"index"`