Remove Problem 2 references from Homework 1 README

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: eugenevinitsky

homeworks/homework_1/README.md

@@ -1,6 +1,6 @@
 # Homework 1: Value-Based Reinforcement Learning
 
-This homework covers tabular and deep Q-learning methods.
+This homework covers tabular Q-learning methods.
 
 ## Structure
 
@@ -20,14 +20,10 @@ For each programming problem, submit to the course leaderboard:
 - Submit: `policy.py` and `checkpoint.pt`
 - Your policy must achieve mean reward > -150
 
-**Problem 2: Tetris DQN**
-- Submit: `policy.py` and `checkpoint.pt`
-- Your policy must beat the random baseline
-
 ### How to Submit to Leaderboard
 
 1. Go to the course leaderboard: https://eval-server-production-c3fe.up.railway.app/
-2. Select the appropriate problem (MountainCar or Tetris)
+2. Select MountainCar
 3. Upload your `policy.py` and `checkpoint.pt` files
 4. Wait for evaluation results