Revert "Work around Bugzilla XML RPC bug with special Unicode characters"

This reverts commit 2f1440a9abf7ad0b78efee98475eca9d8eb54e4f.

Change-Id: I0f3b0c8fd6d6e0b9b11502aa744753ef197bf0a3
Merge "Revert "Work around Bugzilla XML RPC bug with special Unicode characters""