viewsWelcomeContribution: remove proposed API check

fixes #89080

src/vs/workbench/contrib/welcome/common/viewsWelcomeContribution.ts

@@ -7,10 +7,9 @@ import { Disposable, IDisposable } from 'vs/base/common/lifecycle';
 import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
 import { IWorkbenchContribution } from 'vs/workbench/common/contributions';
 import { IExtensionPoint } from 'vs/workbench/services/extensions/common/extensionsRegistry';
-import { ViewsWelcomeExtensionPoint, ViewWelcome, viewsWelcomeExtensionPointDescriptor, ViewIdentifierMap } from './viewsWelcomeExtensionPoint';
+import { ViewsWelcomeExtensionPoint, ViewWelcome, ViewIdentifierMap } from './viewsWelcomeExtensionPoint';
 import { Registry } from 'vs/platform/registry/common/platform';
 import { Extensions as ViewContainerExtensions, IViewsRegistry, ViewContentPriority } from 'vs/workbench/common/views';
-import { localize } from 'vs/nls';
 
 const viewsRegistry = Registry.as<IViewsRegistry>(ViewContainerExtensions.ViewsRegistry);
 
@@ -23,11 +22,6 @@ export class ViewsWelcomeContribution extends Disposable implements IWorkbenchCo
 
 		extensionPoint.setHandler((_, { added, removed }) => {
 			for (const contribution of removed) {
-				// Proposed API check
-				if (!contribution.description.enableProposedApi) {
-					continue;
-				}
-
 				for (const welcome of contribution.value) {
 					const disposable = this.viewWelcomeContents.get(welcome);
 
@@ -38,12 +32,6 @@ export class ViewsWelcomeContribution extends Disposable implements IWorkbenchCo
 			}
 
 			for (const contribution of added) {
-				// Proposed API check
-				if (!contribution.description.enableProposedApi) {
-					contribution.collector.error(localize('proposedAPI.invalid', "The '{0}' contribution is a proposed API and is only available when running out of dev or with the following command line switch: --enable-proposed-api {1}", viewsWelcomeExtensionPointDescriptor.extensionPoint, contribution.description.identifier.value));
-					continue;
-				}
-
 				for (const welcome of contribution.value) {
 					const id = ViewIdentifierMap[welcome.view] ?? welcome.view;
 					const disposable = viewsRegistry.registerViewWelcomeContent(id, {