Fix PVDXY and rename DZ to PVDZ

Apparently I forgot to do this in my last PR. Also re-removed some branches that were overzealously added back into miniAOD ntuples.
Oops! Fixed.

On Mon, Sep 8, 2014 at 10:20 PM, Austin Belknap <notifications@github.com>
wrote:

> In MetaData/python/data13TeV.py:
>
> > @@ -2,46 +2,60 @@
> >  Data definitions for 13 TeV samples.
> >  '''
> >
> > -from datacommon import square, cube, quad, picobarns, br_w_leptons, br_z_leptons, query_cli
> > +from datacommon import square, cube, quad, picobarns, br_w_leptons, br_z_leptons, query_cli, picobarns
>
> picobarns was already imported
>
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> <https://github.com/uwcms/FinalStateAnalysis/pull/365/files#r17264037>.
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