icc-gcc-toolfile: Do not die if icc paths are not available, just warn. Skip icc-* tools for cmssw-tool-conf

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
lhapdf: fix lhapdf-config relocation errors

Wrong paths w/ %i were provided to relocation. Drop %i macro from
relocation paths.

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>