Remove MMI from Publish-NuGetFeed
Remove MMI from Publish-NuGetFeed

This project was removed and provided as a package in the windows-build
submodule. The artifact uploading to AppVeyor fails because this was not
updated.

daxian-dbw/PowerShell,bingbing8/PowerShell,KarolKaczmarek/PowerShell,JamesWTruher/PowerShell-1,PaulHigin/PowerShell,kmosher/PowerShell,JamesWTruher/PowerShell-1,jsoref/PowerShell,KarolKaczmarek/PowerShell,kmosher/PowerShell,KarolKaczmarek/PowerShell,bmanikm/PowerShell,jsoref/PowerShell,PaulHigin/PowerShell,bingbing8/PowerShell,TravisEz13/PowerShell,kmosher/PowerShell,bmanikm/PowerShell,JamesWTruher/PowerShell-1,jsoref/PowerShell,daxian-dbw/PowerShell,bingbing8/PowerShell,PaulHigin/PowerShell,bingbing8/PowerShell,KarolKaczmarek/PowerShell,jsoref/PowerShell,bmanikm/PowerShell,jsoref/PowerShell,bmanikm/PowerShell,TravisEz13/PowerShell,kmosher/PowerShell,JamesWTruher/PowerShell-1,KarolKaczmarek/PowerShell,daxian-dbw/PowerShell,daxian-dbw/PowerShell,bingbing8/PowerShell,kmosher/PowerShell,TravisEz13/PowerShell,PaulHigin/PowerShell,TravisEz13/PowerShell,bmanikm/PowerShell