revert: fix(closure): add Closure externs for angular.$q.Promise.finally
revert: fix(closure): add Closure externs for angular.$q.Promise.finally

This reverts commit 52b32c7b6c0103173ff6908a446ffcd74783596b.

The commit breaks Google apps because most don't use closure compiler
with the ES5 mode flag on. We are investigating a solution...

ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js