Remove duplicate alignment document for 'atomic_from_ptr'

Author: tgross35

library/core/src/sync/atomic.rs

@@ -2109,7 +2109,6 @@ macro_rules! atomic_int {
             ///
             /// # Safety
             ///
-            /// * `ptr` must be aligned to `align_of::<AtomicBool>()` (note that on some platforms this can be bigger than `align_of::<bool>()`).
             #[doc = concat!(" * `ptr` must be aligned to `align_of::<", stringify!($atomic_type), ">()` (note that on some platforms this can be bigger than `align_of::<", stringify!($int_type), ">()`).")]
             /// * `ptr` must be [valid] for both reads and writes for the whole lifetime `'a`.
             /// * The value behind `ptr` must not be accessed through non-atomic operations for the whole lifetime `'a`.