generally remove all country and state places from address

Gets rid of the hard-coded expection for place nodes and sets
the address rank generally via the address level config instead.
That means only administrative boundaries are now used at that
level in addresses.

settings/address-levels.json

@@ -3,8 +3,8 @@
       "place" : {
           "sea" : [2, 0],
           "continent" : [2, 0],
-          "country" : [4, 4],
-          "state" : [8, 8],
+          "country" : [4, 0],
+          "state" : [8, 0],
           "region" : [18, 0],
           "county" : 12,
           "city" : 16,