Geometry Configuration Cleanup

[ianna]

• Remove obsolete files.
• Add warning about using Run 1 transient geometry.

[cmsbuild]

A new Pull Request was created by @ianna (Ianna Osborne) for CMSSW_7_5_X.

Geometry Configuration Cleanup

It involves the following packages:

Configuration/Geometry
Configuration/StandardSequences

@civanch, @Dr15Jones, @ianna, @mdhildreth, @cmsbuild, @franzoni, @nclopezo, @ktf, @davidlange6 can you please review it and eventually sign? Thanks.
@ghellwig, @Martin-Grunewald, @makortel, @GiacomoSguazzoni, @rovere, @VinInn, @appeltel, @cerati, @dgulhan this is something you requested to watch as well.
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@nclopezo you are the release manager for this.
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[ianna]

+1

[cmsbuild]

+1
Tested at: 67c8050
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8810/4311/summary.html