Remove Display, LowerExp, UpperExp impls for Alignment

library/core/src/ptr/alignment.rs

@@ -163,13 +163,6 @@ impl fmt::Debug for Alignment {
     }
 }
 
-#[unstable(feature = "ptr_alignment_type", issue = "102070")]
-impl fmt::Display for Alignment {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Display::fmt(&self.as_nonzero(), f)
-    }
-}
-
 #[unstable(feature = "ptr_alignment_type", issue = "102070")]
 impl fmt::Binary for Alignment {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@@ -230,25 +223,6 @@ impl Alignment {
     }
 }
 
-#[unstable(feature = "ptr_alignment_type", issue = "102070")]
-impl fmt::LowerExp for Alignment {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let mut buf = [0; 6];
-
-        // SAFETY: We generate an ASCII string, which is valid UTF-8.
-        f.pad(unsafe { str::from_utf8_unchecked(self.fmt_exp(&mut buf, b'p')) })
-    }
-}
-
-#[unstable(feature = "ptr_alignment_type", issue = "102070")]
-impl fmt::UpperExp for Alignment {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let mut buf = [0; 6];
-        // SAFETY: We generate an ASCII string, which is valid UTF-8.
-        f.pad(unsafe { str::from_utf8_unchecked(self.fmt_exp(&mut buf, b'P')) })
-    }
-}
-
 #[unstable(feature = "ptr_alignment_type", issue = "102070")]
 impl TryFrom<NonZeroUsize> for Alignment {
     type Error = num::TryFromIntError;