Remove rack-mini-profiler from Gemfile.lock
Remove rack-mini-profiler from Gemfile.lock

This isn't in our Gemfile, and none of the things that are have it as a
dependency, so it doesn't belong in our Gemfile.lock. I'm guessing this
was committed accidentally.

Change-Id: I75ae539ee517e48d8ae5380a5a22dd54323a7ed1

diffux/diffux,kalw/diffux,kalw/diffux,diffux/diffux,kalw/diffux,diffux/diffux