Removed temp server_version

Author: technige

neo4j/v1/bolt.py

@@ -242,8 +242,6 @@ class Connection(object):
 
     defunct = False
 
-    server_version = None  # TODO: remove this when PR#108 is merged
-
     #: The pool of which this connection is a member
     pool = None
 

test/test_session.py

@@ -37,7 +37,7 @@
 def get_server_version():
     driver = GraphDatabase.driver(BOLT_URI, auth=AUTH_TOKEN, encrypted=False)
     with driver.session() as session:
-        full_version = session.connection.server_version
+        full_version = session.connection.server.version
         if full_version is None:
             return "Neo4j", (3, 0), ()
         product, _, tagged_version = full_version.partition("/")