Update China.json (#230)

Admin_level=6 relation updated to 5, and spitted to 4 new admin_level=6 divisions

Author: acamat

ExpectedStateOfAdmins/China.json

@@ -2854,7 +2854,6 @@
       6881348,
       7002046,
       7027706,
-      7027725,
       7507797,
       7598901,
       7617847,
@@ -2918,7 +2917,11 @@
       15982692,
       18472100,
       18470226,
-      19798221
+      19798221,
+      20286352,
+      20282184,
+      20281813,
+      20281769
     ],
     "5": [
       161769,
@@ -3260,7 +3263,8 @@
       10264792,
       10268797,
       10268964,
-      19021056
+      19021056,
+      7027725
     ]
   }
 }