remove wikibugs from node mchenry for now until issues with
the puppetized version are fixed. deliberately not reverting
all changes to the class though, we'll still want them

Change-Id: Ie3c3a39dc008ac31ecc6991708ec4b04be95bcf2
Merge "remove wikibugs from node mchenry for now until issues with the puppetized version are fixed. deliberately not reverting all changes to the class though, we'll still want them" into production