Make clearCacheInDatabase not take a cancellation token

extensions/ql-vscode/src/databases/local-databases-ui.ts

@@ -660,20 +660,18 @@ export class DatabaseUI extends DisposableObject {
 
   private async handleClearCache(): Promise<void> {
     return withProgress(
-      async (_progress, token) => {
+      async () => {
         if (
           this.queryServer !== undefined &&
           this.databaseManager.currentDatabaseItem !== undefined
         ) {
           await this.queryServer.clearCacheInDatabase(
             this.databaseManager.currentDatabaseItem,
-            token,
           );
         }
       },
       {
         title: "Clearing cache",
-        cancellable: true,
       },
     );
   }

extensions/ql-vscode/src/query-server/query-runner.ts

@@ -107,10 +107,7 @@ export class QueryRunner {
     this.qs.onDidStartQueryServer(callBack);
   }
 
-  async clearCacheInDatabase(
-    dbItem: DatabaseItem,
-    token: CancellationToken,
-  ): Promise<void> {
+  async clearCacheInDatabase(dbItem: DatabaseItem): Promise<void> {
     if (dbItem.contents === undefined) {
       throw new Error("Can't clear the cache in an invalid database.");
     }
@@ -120,7 +117,7 @@ export class QueryRunner {
       dryRun: false,
       db,
     };
-    await this.qs.sendRequest(clearCache, params, token);
+    await this.qs.sendRequest(clearCache, params);
   }
 
   async trimCacheInDatabase(