Useless statement

I may be wrong, but that declaration seems to be absolutely worthless.

Also added PyCharm files to the ignore.

Author: Bernardo Sulzbach

.gitignore

@@ -34,3 +34,6 @@ _build
 
 #Text Editor Backupfile 
 *~
+
+#PyCharm
+.idea

examples/rethinkdb_sync.py

@@ -55,7 +55,6 @@ def main():
             if not binlogevent.schema == "employees":
                 continue
 
-            vals = {}
             vals = {str(k): str(v) for k, v in row["values"].iteritems()}
             rethinkdb.table(binlogevent.table).insert(vals).run()