removing duplicate folder

docs/user/py/builtins/index.rst

-.. Documentation for all MOOSE builtin-functions accessible in python
-.. As visible in the Python module
-.. Created by Subhasis Ray, NCBS, Tue Jul  1 14:41:10 IST 2014
-
-==============
-MOOSE builtins
-==============
-
-This document describes classes and functions specific to the MOOSE
-Python module. This is an API reference.
-
-* If you are looking for basic tutorials for getting started with 
-  moose, then check :doc:`moose_quickstart`.
-
-* If you want recipes for particular tasks, check out
-  :doc:`moose_cookbook`.
-
-* If you want the reference for specific moose classes, then go to
-  :doc:`moose_classes`.
-
-       
-.. automodule:: moose
-    :show-inheritance:
-    :members: DestField, ElementField, LookupField, ce, connect, copy, delete, doc, element, exists, getCwe, getField, getFieldDict, getFieldNames, isRunning, le, loadModel, melement, move, pwe, quit, rand, readSBML, reinit, saveModel, seed, setClock, setCwe, showfield, showmsg, start, stop, useClock, vec, wildcardFind, writeSBML