[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/platforms/base.py

@@ -77,6 +77,12 @@ class Platform:
         """
         return paddle.is_compiled_with_custom_device("gcu")
 
+    def is_maca(self) -> bool:
+        """
+        whether platform is metax gpu
+        """
+        return paddle.is_compiled_with_custom_device("metax_gpu")
+
     @classmethod
     def get_attention_backend_cls(self, selected_backend):
         """Get the attention backend"""