PublicDashboards: Variables refactor (#73476)

Co-authored-by: Juan Cabanas <juan.cabanas@grafana.com>
Co-authored-by: Ezequiel Victorero <ezequiel.victorero@grafana.com>
Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

pkg/api/dtos/models.go

@@ -77,8 +77,6 @@ type MetricRequest struct {
 	Queries []*simplejson.Json `json:"queries"`
 	// required: false
 	Debug bool `json:"debug"`
-
-	PublicDashboardAccessToken string `json:"publicDashboardAccessToken"`
 }
 
 func (mr *MetricRequest) GetUniqueDatasourceTypes() []string {