Fix the infeasible examples support

evaluation_examples/examples/os/4783cc41-c03c-4e1b-89b4-50658f642bd5.json

@@ -27,10 +27,6 @@
     "os"
   ],
   "evaluator": {
-    "func": "infeasible",
-    "result": {
-    },
-    "expected": {
-    }
+    "func": "infeasible"
   }
 }

evaluation_examples/examples/os/a462a795-fdc7-4b23-b689-e8b6df786b78.json

@@ -27,10 +27,6 @@
     "os"
   ],
   "evaluator": {
-    "func": "infeasible",
-    "result": {
-    },
-    "expected": {
-    }
+    "func": "infeasible"
   }
 }

evaluation_examples/examples/os/b3d4a89c-53f2-4d6b-8b6a-541fb5d205fa.json

@@ -9,10 +9,6 @@
     "os"
   ],
   "evaluator": {
-    "func": "infeasible",
-    "result": {
-    },
-    "expected": {
-    }
+    "func": "infeasible"
   }
 }

evaluation_examples/examples/os/c288e301-e626-4b98-a1ab-159dcb162af5.json

@@ -8,10 +8,6 @@
       "os"
     ],
     "evaluator": {
-      "func": "infeasible",
-      "result": {
-      },
-      "expected": {
-      }
+      "func": "infeasible"
     }
   }

evaluation_examples/examples/os/fe41f596-a71b-4c2f-9b2f-9dcd40b568c3.json

@@ -10,10 +10,6 @@
     "os"
   ],
   "evaluator": {
-    "func": "infeasible",
-    "result": {
-    },
-    "expected": {
-    }
+    "func": "infeasible"
   }
 }