extensions/json-language-features/client/src/node/schemaCache.ts/JSONSchemaCache/deleteSchemaFile
class JSONSchemaCache:	private async deleteSchemaFile(schemaUri: string, cacheEntry: CacheEntry): Promise<void> {
		const cacheLocation = path.join(this.schemaCacheLocation, cacheEntry.fileName);
		delete this.cacheInfo[schemaUri];
		await this.updateMemento();
		try {
			await fs.rm(cacheLocation);
		} catch (e) {
			// ignore
		}
	}