Remove remarks about a standard library bug that has been worked around

Author: hsivonen

README.md

@@ -132,11 +132,6 @@ compatible Rust versions.
 Currently, the MSRV is 1.88 with or without `simd-accel`, which is older
 than Firefox's MSRV.
 
-Note that starting with Rust 1.96, there's a [bug](https://github.com/rust-lang/stdarch/issues/2208)
-that causes extra instructions to be emitted for converting from UTF-16 to UTF-8 or
-from UTF-16 to Latin1 on x86_64 and x86 with `simd-accel` enabled, so it makes sense
-to avoid Rust versions from 1.96 until the fix for the bug.
-
 ## Integration with `std::io`
 
 Notably, the above feature list doesn't include the capability to wrap
@@ -348,11 +343,6 @@ above, and you are prepared _to have to revise your configuration when updating
 Rust_, you should enable this feature. Otherwise, please _do not_ enable this
 feature.
 
-Note that starting with Rust 1.96, there's a [bug](https://github.com/rust-lang/stdarch/issues/2208)
-that causes extra instructions to be emitted for converting from UTF-16 to UTF-8 or
-from UTF-16 to Latin1 on x86_64 and x86, so it makes sense to avoid Rust versions
-from 1.96 until the fix for the bug.
-
 Used by Firefox.
 
 ### `serde`