BigInt: NewTarget tests shouldn't include anything reaches step 2

test/built-ins/BigInt/new-target-throws.js

@@ -6,7 +6,6 @@ description: Throws a TypeError if BigInt is called with a new target
 esid: sec-bigint-constructor
 info: |
   1. If NewTarget is not undefined, throw a TypeError exception.
-  2. Let prim be ? ToPrimitive(value, hint Number).
   ...
 features: [BigInt]
 ---*/
@@ -24,10 +23,3 @@ assert.throws(TypeError, function() {
     valueOf: function() { throw new Test262Error("unreachable"); }
   });
 });
-
-for (let x of [NaN, Infinity, 0.5, 2**53]) {
-    assert.throws(RangeError, () => BigInt(x));
-    assert.throws(RangeError, () => BigInt(-x));
-}
-assert.sameValue(BigInt(9007199254740991), 9007199254740991n);
-assert.sameValue(BigInt(-9007199254740991), -9007199254740991n);