fixup! lib: refactor internal webidl converters

Signed-off-by: Filip Skokan <panva.ip@gmail.com>

Author: panva

lib/internal/webidl.js

@@ -166,7 +166,7 @@ function integerPart(n) {
 function evenRound(x) {
   // Web IDL ConvertToInt step 7.2: round to the nearest integer,
   // choosing the even integer on ties and +0 rather than -0.
-  const i = integerPart(x) + 0;
+  const i = integerPart(x);
   const remainder = MathAbs(x % 1);
   const sign = MathSign(x);
   if (remainder === 0.5) {