Removes unused functions

server/extension/sql/0.0.1/10_helper.sql

@@ -1,19 +0,0 @@
--- Check if a given host is up by performing a ping -c 1 call.
-CREATE OR REPLACE FUNCTION cdb_geocoder_server._check_host(hostname TEXT)
-  RETURNS BOOLEAN
-AS $$
-  import os
-
-  response = os.system("ping -c 1 " + hostname)
-
-  return False if response else True
-$$ LANGUAGE plpythonu VOLATILE;
-
--- Returns current pwd
-CREATE OR REPLACE FUNCTION cdb_geocoder_server._pwd()
-  RETURNS TEXT
-AS $$
-  import os
-
-  return os.getcwd()
-$$ LANGUAGE plpythonu VOLATILE;

server/extension/sql/10_helper_test.sql

@@ -1,5 +0,0 @@
--- Check that check_host is working
-select cdb_geocoder_server._check_host('cartodb.com');
-
--- Check that check_pwd is working
-select cdb_geocoder_server._pwd();