src/vs/workbench/services/extensionManagement/common/webExtensionsScannerService.ts/WebExtensionsScannerService/removeExtension
class WebExtensionsScannerService:	async removeExtension(identifier: IExtensionIdentifier, version?: string): Promise<void> {
		let installedExtensions = await this.readInstalledExtensions();
		installedExtensions = installedExtensions.filter(extension => !(areSameExtensions(extension.identifier, identifier) && (version ? extension.version === version : true)));
		await this.writeInstalledExtensions(installedExtensions);
	}