adjust lanqiao dir structure

data/1.算法初阶/10.蓝桥杯-数论/config.json

-{
-  "node_id": "algorithm-4f3afa15f4d2460888780315f0be5185",
-  "keywords": []
-}
\ No newline at end of file

data/1.算法初阶/11.蓝桥杯-图论/config.json

-{
-  "node_id": "algorithm-fccaf24d77bc46ff8fa2f514334c8651",
-  "keywords": []
-}
\ No newline at end of file

data/1.算法初阶/12.蓝桥杯-博弈论/config.json

-{
-  "node_id": "algorithm-e6e878097f694a3b9ed00e7aadbc7b3f",
-  "keywords": []
-}
\ No newline at end of file

data/1.算法初阶/5.蓝桥杯-并查集/config.json

-{
-  "node_id": "algorithm-703cee5ca7f04bd499cce3a98383a898",
-  "keywords": []
-}
\ No newline at end of file

data/1.算法初阶/8.蓝桥杯-贪心/config.json

-{
-  "node_id": "algorithm-b01553df462b4470bc19a38bbd0ed392",
-  "keywords": []
-}
\ No newline at end of file

data/tree.json

@@ -320,13 +320,6 @@
                 ]
               }
             },
-            {
-              "蓝桥杯-并查集": {
-                "node_id": "algorithm-703cee5ca7f04bd499cce3a98383a898",
-                "keywords": [],
-                "children": []
-              }
-            },
             {
               "蓝桥杯-模拟": {
                 "node_id": "algorithm-1f5b7166096d434eb8857a95a8b5676b",
@@ -513,13 +506,6 @@
                 ]
               }
             },
-            {
-              "蓝桥杯-贪心": {
-                "node_id": "algorithm-b01553df462b4470bc19a38bbd0ed392",
-                "keywords": [],
-                "children": []
-              }
-            },
             {
               "蓝桥杯-动态规划": {
                 "node_id": "algorithm-59898084a79e4312893ce184653b879b",
@@ -567,27 +553,6 @@
                   }
                 ]
               }
-            },
-            {
-              "蓝桥杯-数论": {
-                "node_id": "algorithm-4f3afa15f4d2460888780315f0be5185",
-                "keywords": [],
-                "children": []
-              }
-            },
-            {
-              "蓝桥杯-图论": {
-                "node_id": "algorithm-fccaf24d77bc46ff8fa2f514334c8651",
-                "keywords": [],
-                "children": []
-              }
-            },
-            {
-              "蓝桥杯-博弈论": {
-                "node_id": "algorithm-e6e878097f694a3b9ed00e7aadbc7b3f",
-                "keywords": [],
-                "children": []
-              }
             }
           ]
         }