ENH: Remove PV plugins from CosmoTools.

This commit removes the ParaView plugins from CosmoTools. Instead,
the plugins will be moved directly in the ParaView source tree and
become natively available, without the need to load a separate
plugin.
ENH: Remove PV plugins from CosmoTools.

This commit removes the ParaView plugins from CosmoTools. Instead,
the plugins will be moved directly in the ParaView source tree and
become natively available, without the need to load a separate
plugin.

From: George Zagaris <george.zagaris@kitware.com>

git-svn-id: https://svn.alcf.anl.gov/repos/DarkUniverse/hacc/trunk/cosmotools@1602 952bdfbe-fa2e-45c0-a9ae-ac90d4a62daf
Merge branch 'svn/trunk'