Replace Xerxes with Artaxerxes

Xerxes is not passing OpentypeSanitizer check per
https://bugzilla.mozilla.org/show_bug.cgi?id=964696 that is why it won't work
as web font on Chrome and Firefox. This is its derivation to fix the issue.

Change-Id: I619e0c3ecb882ee91d46b36bf65a143bd8647d2f

data/fontrepo/fonts/Artaxerxes/font.ini

@@ -0,0 +1,7 @@
+[Artaxerxes]
+languages=peo*
+version=1.400
+license=GPL-2.0-with-font-exception
+licensefile=gpl-2.0.txt
+request-url=https://gerrit.wikimedia.org/r/#/c/110534
+url=https://github.com/PersianWikipedia/artaxerxes

data/fontrepo/fonts/Xerxes/font.ini

@@ -1,7 +0,0 @@
-[Xerxes]
-languages=peo*
-version=1.301
-license=Xerxes
-licensefile=Xerxes.txt
-request-url=https://gerrit.wikimedia.org/r/#/c/75813
-url=http://persian.ir/images/7/70/Xerxes.ttf

data/fontrepo/licenses/README

@@ -20,7 +20,6 @@ Other
 East Syriac Adiabene License
 IranianSans
 George-Douros
-Xerxes
 
 See: https://spdx.org/licenses/
 

data/fontrepo/licenses/Xerxes.txt

@@ -1,7 +0,0 @@
-This font is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-As a special exception, if you create a document which uses this font, and embed this font or unaltered portions of this font into the document, this font does not by itself cause the resulting document to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the document might be covered by the GNU General Public License. If you modify this font, you may extend this exception to your version of the font, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.
-