remove @torch.library.impl("circle::attention.llama", "CPU")

library.implf for "CPU" turned out not necessary.

Author: Sanggyu Lee

tico/serialize/operators/onert/op_attention.py

@@ -51,25 +51,6 @@
 
 from typing import List, Optional
 
-
-@torch.library.impl("circle::attention.llama", "CPU")
-def attention_llama_cpu(
-    hidden_states,
-    q_proj,
-    k_proj,
-    v_proj,
-    o_proj,
-    position_cos,
-    position_sin,
-    attention_mask,
-    past_key,
-    past_value,
-    layer_idx,
-    cache_position,
-):
-    return hidden_states
-
-
 @torch.library.register_fake("circle::attention.llama")
 def attention_llama(*args, **kwargs):
     (