mcdb and libhepml dependency

[smuzaffar]

Looks like mcdb and libhepml are not actually used in cmssw. Only reference to these tools are
https://github.com/cms-sw/cmssw/blob/CMSSW_8_1_X/GeneratorInterface/LHEInterface/BuildFile.xml
https://github.com/cms-sw/cmssw/blob/CMSSW_8_1_X/GeneratorInterface/LHEInterface/plugins/BuildFile.xml
https://github.com/cms-sw/cmssw/blob/CMSSW_8_1_X/GeneratorInterface/MCatNLOInterface/plugins/BuildFile.xml

but these can be removed without breaking the build.

[cmsbuild]

A new Issue was created by @smuzaffar (Malik Shahzad Muzaffar).

@davidlange6, @smuzaffar, @Degano, @davidlt, @Dr15Jones can you please review it and eventually sign/assign? Thanks.

cms-bot commands are listed here

[smuzaffar]

assign generators
can you please check this? If not needed then we can drop these tools from cmssw externals

[cmsbuild]

New categories assigned: generators

@thuer,@covarell,@perrozzi,@govoni you have been requested to review this Pull request/Issue and eventually sign? Thanks

[smuzaffar]

@thuer,@covarell,@perrozzi,@govoni any issues removing this tool for cmssw?

[smuzaffar]

ping?

[govoni]

I think it's ok

[smuzaffar]

assign externals

[cmsbuild]

New categories assigned: externals

@smuzaffar,@gudrutis,@mrodozov you have been requested to review this Pull request/Issue and eventually sign? Thanks

[smuzaffar]

cms-sw/cmsdist#5886 and #30042 remove these dependencies.

[smuzaffar]

+externals