Revert "Merge pull request #185 from ISSIntel/liquid-utf8"

This reverts commit c5dfcd29b0937e0d84780f11f61919faa4741806, reversing
changes made to f7d1e1d0c1336a9c51d652f07e0187b429e154e4.
Merge pull request #192 from Shopify/revert_utf8

Revert "Merge pull request #185 from ISSIntel/liquid-utf8"