Fix dodgy imports

Author: robertbrignull

extensions/ql-vscode/src/databases/local-databases/database-contents.ts

@@ -1,5 +1,5 @@
 import { pathExists, remove } from "fs-extra";
-import { join } from "path/posix";
+import { join } from "path";
 import type { Uri } from "vscode";
 import { zip } from "zip-a-folder";
 

extensions/ql-vscode/src/databases/local-databases/database-manager.ts

@@ -43,7 +43,6 @@ import { DatabaseResolver } from "./database-resolver";
 import { telemetryListener } from "../../common/vscode/telemetry";
 import type { LanguageContextStore } from "../../language-context-store";
 import type { DatabaseOrigin } from "./database-origin";
-import {} from "../database-fetcher";
 import { ensureZippedSourceLocation } from "./database-contents";
 
 /**