Removing the TryFrom impl

Author: poliorcetics

src/libstd/ffi/c_str.rs

@@ -1,7 +1,6 @@
 use crate::ascii;
 use crate::borrow::{Borrow, Cow};
 use crate::cmp::Ordering;
-use crate::convert::TryFrom;
 use crate::error::Error;
 use crate::fmt::{self, Write};
 use crate::io;
@@ -854,19 +853,6 @@ impl From<Vec<NonZeroU8>> for CString {
     }
 }
 
-#[unstable(feature = "cstring_from_vec_with_nul", issue = "73179")]
-impl TryFrom<Vec<u8>> for CString {
-    type Error = FromBytesWithNulError;
-
-    /// See the document about [`from_vec_with_nul`] for more
-    /// informations about the behaviour of this method.
-    ///
-    /// [`from_vec_with_nul`]: CString::from_vec_with_nul
-    fn try_from(value: Vec<u8>) -> Result<Self, Self::Error> {
-        Self::from_vec_with_nul(value)
-    }
-}
-
 #[stable(feature = "more_box_slice_clone", since = "1.29.0")]
 impl Clone for Box<CStr> {
     #[inline]