remove un used import

src/app/controller/chat.ts

@@ -0,0 +1,29 @@
+import { ChatSystemService } from "../services/chat/chat-system.service";
+
+export class ChatController {
+    
+    static ChatSystemService: ChatSystemService
+
+    static async createGroup(name) {
+        let data: any = await this.ChatSystemService.createGroup(name)
+        
+        if(data?.error?.error == 'error-invalid-room-name') {
+            name = name.slice(0, 12)
+            data = await this.ChatSystemService.createGroup(name)
+            return {
+                data,
+                roomName: name
+            }
+        }
+        
+        return {
+            data,
+            roomName: name
+        }
+    }
+
+    static async createOrFindGroup(name) {
+        let  data: any = await this.createGroup(name)
+    }
+
+}