Revert "Readme improvements (rust-lang/crates.io#11441)"

Signed-off-by: GitHub <[email protected]>

Author: tdelmas

README.md

@@ -84,9 +84,8 @@ Most methods and traits available on the underlying type are available on the ty
 
 Most constants are also available, with the most appropriate typed float type (except `NAN` for obvious reasons) in the [`tf64`] and [`tf32`] modules (in [`tf64::consts`] and [`tf32::consts`] respectively when the constant comes from [`core::f64::consts`] or [`core::f32::consts`]). Those modules are named that way to avoid conflicts or confusion with the primitives [`f32`] and [`f64`].
 
-> [!WARNING]
-> Like for primitives [`f32`] and [`f64`],`-0.0 == +0.0` is `true` for all types of this crate.
-> To facilitate comparisons, the methods `is_positive_zero` and `is_negative_zero` are added.
+⚠️ Like for primitives [`f32`] and [`f64`],`-0.0 == +0.0` is `true` for all types of this crate.
+To facilitate comparisons, the methods `is_positive_zero` and `is_negative_zero` are added.
 
 # Traits implemented
 
@@ -154,8 +153,7 @@ A `panic!` triggered in any other way is considered a security bug and should be
 
 This crate is designed to have a minimal overhead at runtime, in terms of memory, speed and binary size.
 
-> [!TIP]
-> It can even be faster than using primitives [`f32`] and [`f64`] directly, as it may avoids some checks by using compiler hints and can use some faster implementations in some cases.
+It can even be faster than using primitives [`f32`] and [`f64`] directly, as it may avoids some checks by using compiler hints and can use some faster implementations in some cases.
 
 ### Overhead