Removing the request-bug and request-defaults fields and adding the request-url field.

Added the request-url field for Phetsarath, Siyam Rupali, OskiEast, amiri, AbyssinicaSIL,
Jomolhari, Tuladha Jejeg, CharisSIL, DoulosSIL, Akkadian fonts

Change-Id: I81fbfe2ed65c2f87c41f73c65724b1dbe2abe684