fix(BE): remove supplier price in master nonstock

internal/entities/nonstock_supplier.go

@@ -5,7 +5,6 @@ import "time"
 type NonstockSupplier struct {
 	NonstockId uint      `gorm:"not null"`
 	SupplierId uint      `gorm:"not null"`
-	Price      float64   `gorm:"type:numeric(15,3);not null;default:0"`
 	CreatedAt  time.Time `gorm:"autoCreateTime"`
 
 	Nonstock Nonstock `gorm:"foreignKey:NonstockId;references:Id"`