Bug 1828799 - Update tier fuzziness for 456219-1c.html r=gfx-reviewers,lsalzman

Differential Revision: https://phabricator.services.mozilla.com/D175836

layout/reftests/bugs/reftest.list

@@ -1166,7 +1166,7 @@ fails-if(Android) == 455826-1.html 455826-1-ref.html
 == chrome://reftest/content/bugs/456147.xhtml 456147-ref.html
 fuzzy(24-110,107-684) == 456219-1a.html 456219-1-ref.html # bug 1128229
 fuzzy(24-110,107-1251) == 456219-1b.html 456219-1-ref.html # bug 1128229
-fuzzy(24-60,107-497) fuzzy-if(geckoview&&device,100-110,426-4421) == 456219-1c.html 456219-1-ref.html # bug 1128229
+fuzzy(24-60,107-497) == 456219-1c.html 456219-1-ref.html # bug 1128229
 fuzzy(0-10,0-8) == 456219-2.html 456219-2-ref.html
 == 456330-1.gif 456330-1-ref.png
 == 456484-1.html 456484-1-ref.html