Remove plotting from README

README.md

@@ -81,10 +81,10 @@ The plotted slices intersect a lung nodule near the heart.
 >>> image = load_sample_ct()
 >>> image
 ScalarImage(shape: (1, 512, 512, 139); spacing: (0.76, 0.76, 2.50); orientation: LPS+; dtype: torch.IntTensor; memory: 139.0 MiB)
->>> nodule_indices_ct = 180, 341, 76
->>> image.plot(indices=nodule_indices_ct)
 ```
 
+The image looks like this:
+
 ![Input CT](assets/input.png)
 
 Now, let's instantiate the model and processor.