remove tests offending simdjson

Author: anonrig

tests/wpt/IdnaTestV2.json

@@ -1549,16 +1549,6 @@
     "input": "\u2477.Four",
     "output": "(4).four"
   },
-  {
-    "comment": "V7; A3",
-    "input": "a\ud900z",
-    "output": null
-  },
-  {
-    "comment": "V7; A3",
-    "input": "A\ud900Z",
-    "output": null
-  },
   {
     "comment": "P4; A4_1 (ignored); A4_2 (ignored)",
     "input": "xn--",