delete intro_info

data/intro_info/skill_tree.json

-{
-    "opencv": {
-        "id": "124016032",
-        "username": "CSDNedu"
-    },
-    "algorithm": {
-        "id": "124018103",
-        "username": "CSDNedu"
-    },
-    "c": {
-        "id": "124015351",
-        "username": "CSDNedu"
-    },
-    "pg": {
-        "id": "124017906",
-        "username": "CSDNedu"
-    },
-    "network": {
-        "id": "124017312",
-        "username": "CSDNedu"
-    },
-    "gml": {
-        "id": "124016401",
-        "username": "CSDNedu"
-    },
-    "cloud_native": {
-        "id": "124018359",
-        "username": "CSDNedu"
-    },
-    "neo4j": {
-        "id": "124016274",
-        "username": "CSDNedu"
-    },
-    "java": {
-        "id": "124014706",
-        "username": "CSDNedu"
-    },
-    "python": {
-        "id": "124011216",
-        "username": "CSDNedu"
-    }
-}
\ No newline at end of file

data/package/job/java_backend.json

@@ -21,10 +21,6 @@
         "algorithm",
         "java"
       ],
-      "intro_info": {
-        "id": "123924007",
-        "username": "CSDNedu"
-      },
       "recommends":[
         {
             "type": "job",
@@ -50,10 +46,6 @@
         "algorithm",
         "java"
       ],
-      "intro_info": {
-        "id": "123925015",
-        "username": "CSDNedu"
-      },
       "recommends":[
         {
             "type": "job",

data/package/job/python_backend.json

@@ -19,10 +19,6 @@
         "python",
         "pg"
       ],
-      "intro_info": {
-        "id": "123923401",
-        "username": "CSDNedu"
-      },
       "recommends":[
           {
               "type": "job",
@@ -47,10 +43,6 @@
         "python02",
         "network"
       ],
-      "intro_info": {
-        "id": "123924820",
-        "username": "CSDNedu"
-      },
       "recommends":[
         {
             "type": "job",