Remove unused code

[ianna]

• Unused legacy code

[cmsbuild]

A new Pull Request was created by @ianna for CMSSW_7_2_X.

Remove unused code

It involves the following packages:

DetectorDescription/Core

@civanch, @Dr15Jones, @ianna, @mdhildreth, @cmsbuild, @nclopezo, @Degano, @ktf can you please review it and eventually sign? Thanks.
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[cmsbuild]

-1
Tested at: 8634c31
When I ran the RelVals I found an error in the following worklfows:
4.53 step2

runTheMatrix-results/4.53_RunPhoton2012B+RunPhoton2012B+HLTD+RECODreHLT+HARVESTDreHLT/step2_RunPhoton2012B+RunPhoton2012B+HLTD+RECODreHLT+HARVESTDreHLT.log

you can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5036/684/summary.html

[ktf]

Looks like a das glitch. Merging.