Update app.py

app.py

@@ -32,7 +32,7 @@ def echo_sudoku(sudoku, model_name):
                 grid.flat[confidence_position] = confidence_value
     return puzzles[0]
 
-model_types = ['ffn', 'cnn', 'rnn', 'lstm', 'gru']
+model_types = ['ffn', 'cnn']
 model_sizes = ['64x2', '64x4', '128x2', '128x4']
 model_names = [f"{model_type}__{model_size}" for model_type in model_types for model_size in model_sizes]