FWCore/Framework: remove wrappers for cmsRun*

Attempting to test alternative option: post-install step for SCRAM
projects patching ELF objects in bin/$SCRAM_ARCH and test/$SCRAM_ARCH
directories for slc6_amd64_* CMS platforms.

For SCRAM areas LDFLAGS is used to pass a path to dynamic loader.

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
Merge pull request #4571 from davidlt/remove-wrappers

FWCore/Framework: remove wrappers for cmsRun*