Revert "Ignore 'text-max-width/ideographic-breaking' on -native"

This reverts commit 3b005f1 in preparation for mapbox/mapbox-gl-native#6828.

Author: 1ec5

render-tests/text-max-width/ideographic-breaking/style.json

@@ -2,10 +2,7 @@
   "version": 8,
   "metadata": {
     "test": {
-      "height": 512,
-      "ignored": {
-          "native": "https://github.com/mapbox/mapbox-gl-native/issues/1223"
-      }
+      "height": 512
     }
   },
   "sources": {