Remove inclusion of repositories.config
Remove inclusion of repositories.config

If you use package restore, you actually don't want this file
included. It's not needed. It's only needed if you version
packages. AKA, you only need this file if you are not ignoring
the "packages" folder.

szymanskirafal/gitignore,chhsieh/helloworld,bruennijs/ise.cppworkshop,szymanskirafal/gitignore,chhsieh/gitTest_1,hirochachacha/gitignore-generator,bruennijs/ise.cppworkshop,bruennijs/ise.cppworkshop,szymanskirafal/gitignore