Revert "fix condition"

This reverts commit 1464daa.

Author: fsx950223

vllm/v1/attention/backends/triton_attn.py

@@ -310,8 +310,7 @@ def forward(
         key_cache, value_cache = kv_cache.unbind(1)
 
         if (
-            self.attn_type == AttentionType.DECODER
-            and self.kv_sharing_target_layer_name is None
+            self.kv_sharing_target_layer_name is None
             and key is not None
             and value is not None
         ):