Update on "Dont quantize the current token for attention"

Differential Revision: [D63497872](https://our.internmc.facebook.com/intern/diff/D63497872/)

[ghstack-poisoned]

Author: kimishpatel

examples/models/llama/source_transformation/quantized_kv_cache.py

@@ -198,7 +198,6 @@ def update(self, input_pos, k_val, v_val):
                 seq_length = k_val.size(dim_to_slice)
                 narrowed_k = k_out.narrow(dim_to_slice, start_pos, seq_length)
                 narrowed_k.copy_(k_val)
-                # pyre-ignore: Incompatible parameter type [6]
                 narrowed_v = v_out.narrow(dim_to_slice, start_pos, seq_length)
                 narrowed_v.copy_(v_val)
             else: