valgrind: bump version to 3.9.0 (final)

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
Remove not used valgrind patches

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
Merge pull request #259 from davidlt/valgrind-to-final-3.9.0

[CMSSW_7_0_X] Valgrind to final 3.9.0