scaffolder-react: remove singleton wrapping of API ref

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/seven-glasses-double.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder-react': patch
+---
+
+Remove unnecessary singleton wrapping of `scaffolderApiRef`.

plugins/scaffolder-react/src/api/ref.ts

@@ -16,13 +16,8 @@
 
 import { createApiRef } from '@backstage/core-plugin-api';
 import { ScaffolderApi } from './types';
-import { getOrCreateGlobalSingleton } from '@backstage/version-bridge';
 
 /** @public */
-export const scaffolderApiRef = getOrCreateGlobalSingleton(
-  'scaffolder:scaffolder-api-ref',
-  () =>
-    createApiRef<ScaffolderApi>({
-      id: 'plugin.scaffolder.service',
-    }),
-);
+export const scaffolderApiRef = createApiRef<ScaffolderApi>({
+  id: 'plugin.scaffolder.service',
+});