[geometric] delete sampling and message_passing directory (#5427)

Author: DesmonDay

docs/api/paddle/geometric/Overview_cn.rst

@@ -20,9 +20,6 @@ paddle.geometric 目录下包含飞桨框架支持的图领域的相关 API。
     " :ref:`paddle.geometric.send_u_recv <cn_api_paddle_geometric_send_u_recv>` ", "节点特征消息传递"
     " :ref:`paddle.geometric.send_ue_recv <cn_api_paddle_geometric_send_ue_recv>` ", "节点融合边特征消息传递"
     " :ref:`paddle.geometric.send_uv <cn_api_paddle_geometric_send_uv>` ", "源节点与目标节点消息发送并计算"
-    " :ref:`paddle.geometric.message_passing.send_u_recv <cn_api_paddle_geometric_message_passing_send_u_recv>` ", "节点特征消息传递"
-    " :ref:`paddle.geometric.message_passing.send_ue_recv <cn_api_paddle_geometric_message_passing_send_ue_recv>` ", "节点融合边特征消息传递"
-    " :ref:`paddle.geometric.message_passing.send_uv <cn_api_paddle_geometric_message_passing_send_uv>` ", "源节点与目标节点消息发送并计算"
 
 .. _faster_graph_sampling:
 
@@ -33,7 +30,6 @@ paddle.geometric 目录下包含飞桨框架支持的图领域的相关 API。
     :header: "API 名称", "API 功能"
 
     " :ref:`paddle.geometric.sample_neighbors <cn_api_paddle_geometric_sample_neighbors>` ", "无权重邻居采样"
-    " :ref:`paddle.geometric.sampling.sample_neighbors <cn_api_paddle_geometric_sampling_sample_neighbors>` ", "无权重邻居采样"
     " :ref:`paddle.geometric.reindex_graph <cn_api_paddle_geometric_reindex_graph>` ", "同构图场景下的子图重编号"
     " :ref:`paddle.geometric.reindex_heter_graph <cn_api_paddle_geometric_reindex_heter_graph>` ", "异构图场景下的子图重编号"