Revert "Establishes plain-text currency formats for e-mails and other plain-text contexts"

This reverts commit 067b2801513ade1167a2b38e9ee58bbe85128a2a.

Will use Unicode characters instead of the approach taken in 067b2801513ade1167a2b38e9ee58bbe85128a2a
Replacing HTML entities with their Unicode equivalents

Replaces previous approach to HTML entity problem in 067b2801513ade1167a2b38e9ee58bbe85128a2a