Remove cloud_restrictable for cloud billing settings (#16309)

model/config.go

@@ -898,8 +898,8 @@ type ExperimentalSettings struct {
 	LinkMetadataTimeoutMilliseconds *int64  `access:"experimental,write_restrictable,cloud_restrictable"`
 	RestrictSystemAdmin             *bool   `access:"experimental,write_restrictable"`
 	UseNewSAMLLibrary               *bool   `access:"experimental,cloud_restrictable"`
-	CloudUserLimit                  *int64  `access:"experimental,write_restrictable,cloud_restrictable"`
-	CloudBilling                    *bool   `access:"experimental,write_restrictable,cloud_restrictable"`
+	CloudUserLimit                  *int64  `access:"experimental,write_restrictable"`
+	CloudBilling                    *bool   `access:"experimental,write_restrictable"`
 	EnableSharedChannels            *bool   `access:"experimental"`
 }