Delete dead branch.

Deleted a dead branch left over from the transition to recounting nodes
and characters in directive bodies.

File                             Raw         Min         Zip     Min/Zip
redux.js                 29422/28.73  9656/09.43  7482/07.31  3664/03.58
Use project `uglifyjs` in `t/sizes`.

The `t/sizes` script now uses the `uglifyjs` specific to the Stencil
project.
Use `findEnd` in tag logic.

Removed logic in the tag logic that duplicates `findEnd`.