Revert "Update temporary hack to circumvent bug #80"
Revert "Update temporary hack to circumvent bug #80"

This reverts commit 20165e2f4ff38117213616fcbbd38586a2a6ed26.
Node.js 4.1.1 is released with the fix.

Closes #80

image-js/core,image-js/core,image-js/ij,image-js/image-js,image-js/image-js,image-js/ij,image-js/ij