reverts change to master

geocoder/admin0/sql/build_synonym_table.sql

@@ -16,14 +16,6 @@ INSERT INTO admin0_synonyms (name, rank, adm0_a3)
     SELECT name, 0, adm0_a3 
     FROM ne_admin0_v3;
 
--- insert data from ne_admin_0 into admin0_synonyms
--- the name column is assigned a rank of 0 for cases where adm0_a3 is not iso_a3
-
-INSERT INTO admin0_synonyms (name, rank, adm0_a3)
-    SELECT name, 0, iso_a3 
-    FROM ne_admin0_v3
-    WHERE adm0_a3 NOT LIKE iso_a3 AND iso_a3 NOT LIKE '-99';
-
 -- separate data from the name_alt column from ne_admin0_v3 using `|` as a delimiter 
 -- and insert into admin1_synonyms as new rows with a rank=1
 INSERT INTO admin0_synonyms (name, rank, adm0_a3)