[MetaxGPU] Support FastDeploy on metax gpu (#3241)

* [MetaxGPU] Support FastDeploy on metax gpu

* Update metax_worker.py

1. change worker log;
2. remove custom allreduce, adapt it later;
3. remove cuda graph;

* Update __init__.py

1. remove metax's key work comment

* Update __init__.py

1. remove metax's key word comment;
2. add fused_moe_kernel_paddle import

---------

Co-authored-by: yongqiangma <xing.wo@163.com>

fastdeploy/model_executor/layers/attention/base_attention_backend.py

@@ -86,6 +86,15 @@ class AttentionBackend(ABC):
                 layer,
                 forward_meta,
             )
+        elif forward_meta.forward_mode.is_native():
+            return self.forward_native_backend(
+                q,
+                k,
+                v,
+                qkv,
+                layer,
+                forward_meta,
+            )
         else:
             return self.forward_extend(
                 q,
@@ -139,3 +148,15 @@ class AttentionBackend(ABC):
     ) -> paddle.Tensor:
         """Run a forward for extend."""
         raise NotImplementedError
+
+    def forward_native_backend(
+        self,
+        q: paddle.Tensor,
+        k: paddle.Tensor,
+        v: paddle.Tensor,
+        qkv: paddle.Tensor,
+        layer: paddle.nn.Layer,
+        forward_meta: ForwardMeta,
+    ) -> paddle.Tensor:
+        """Run a forward for native."""
+        raise NotImplementedError