REVERT: "FEATURE: Experimental Private Message Bot Homepage (#1159)" (#1272)

This reverts commit 5fec8fe79e.

test/javascripts/acceptance/post-helper-menu-test.js

@@ -50,8 +50,6 @@ acceptance("AI Helper - Post Helper Menu", function (needs) {
         done: false,
       });
     });
-
-    server.get("/discourse-ai/ai-bot/conversations.json", () => {});
   });
 
   test("displays streamed explanation", async function (assert) {

test/javascripts/acceptance/topic-summary-test.js

@@ -29,8 +29,6 @@ acceptance("Topic - Summary", function (needs) {
         done: false,
       });
     });
-
-    server.get("/discourse-ai/ai-bot/conversations.json", () => {});
   });
 
   needs.hooks.beforeEach(() => {