Use 2 input LHEs per job in BCVEGPY JOs, due to a wrong efficiency estimate [skip modfiles]
Description of bug
We've overestimated the efficiency of LHE->EVNT in JOs 900150-900157, as seen from failures in ATLMCPROD-9057.
Changes introduced
Adding inputFilesPerJob=2 to the affected JOs (and are preparing x2 more LHEs to upload)
Tests
Issues resolved
Closes #