src/vs/workbench/contrib/extensions/browser/extensionsWorkbenchService.ts/Extensions/onDidUninstallExtension
class Extensions:	private onDidUninstallExtension({ identifier, error }: DidUninstallExtensionEvent): void {
		const uninstalled = this.uninstalling.find(e => areSameExtensions(e.identifier, identifier)) || this.installed.find(e => areSameExtensions(e.identifier, identifier));
		this.uninstalling = this.uninstalling.filter(e => !areSameExtensions(e.identifier, identifier));
		if (!error) {
			this.installed = this.installed.filter(e => !areSameExtensions(e.identifier, identifier));
		}
		if (uninstalled) {
			this._onChange.fire({ extension: uninstalled });
		}
	}