Removing TODOs

crates/js-sys/src/lib.rs

@@ -4593,11 +4593,6 @@ macro_rules! arrays {
         impl<'a> From<&'a [$ty]> for $name {
             #[inline]
             fn from(slice: &'a [$ty]) -> $name {
-                // TODO if this was written in JS it could avoid passing the `view` TypedArray to Rust,
-                //      which would be more efficient
-
-                // TODO measure if it's faster to use `slice` instead of `new`
-
                 // This is safe because the `new` function makes a copy if its argument is a TypedArray
                 unsafe { $name::new(&$name::view(slice)) }
             }