Fix after upstream changes to debug.
Fix after upstream changes to debug.

browserify selects correct file automatically.

Also `log.color = undefined` causes problems.

tkadlec/lighthouse,GoogleChrome/lighthouse,cedricbellet/lighthouse,mixed/lighthouse,tkadlec/lighthouse,arturmiz/lighthouse,GoogleChrome/lighthouse,wardpeet/lighthouse,umaar/lighthouse,deepanjanroy/lighthouse,tkadlec/lighthouse,deepanjanroy/lighthouse,ev1stensberg/lighthouse,mixed/lighthouse,cedricbellet/lighthouse,deepanjanroy/lighthouse,wardpeet/lighthouse,deepanjanroy/lighthouse,GoogleChrome/lighthouse,umaar/lighthouse,ev1stensberg/lighthouse,tommycli/lighthouse,mixed/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,arturmiz/lighthouse,cedricbellet/lighthouse,arturmiz/lighthouse,tommycli/lighthouse,umaar/lighthouse,umaar/lighthouse,tommycli/lighthouse,arturmiz/lighthouse,tkadlec/lighthouse,GoogleChrome/lighthouse,mixed/lighthouse,cedricbellet/lighthouse,deepanjanroy/lighthouse,wardpeet/lighthouse,wardpeet/lighthouse,tommycli/lighthouse,arturmiz/lighthouse,tommycli/lighthouse,ev1stensberg/lighthouse,GoogleChrome/lighthouse,cedricbellet/lighthouse