Revert "Attempted hack temporary fix for case-sensitivity issue with RedCloth 4.2.6"
Revert "Attempted hack temporary fix for case-sensitivity issue with RedCloth 4.2.6"

It's fixed in 4.2.7

This reverts commit fa2e07f5e0f5245267399591ca96d680da84c9c7.

dmitry/acts_as_sanitiled,gtd/acts_as_sanitiled