Remove deprecated absolute_ratelimits feature (#2719)

Cargo.toml

@@ -132,9 +132,6 @@ typesize = ["dep:typesize", "small-fixed-array/typesize", "bool_to_bitflags/type
 # Enables compile-time heavy instrument macros from tracing
 tracing_instrument = ["tracing/attributes"]
 
-# Removed feature (https://github.com/serenity-rs/serenity/pull/2246)
-absolute_ratelimits = []
-
 # Backends to pick from:
 # - Rustls Backends
 rustls_backend = [

src/lib.rs

@@ -127,13 +127,6 @@ pub use static_assertions;
 pub use crate::client::Client;
 pub use crate::error::{Error, Result};
 
-#[cfg(feature = "absolute_ratelimits")]
-compile_error!(
-    "The absolute_ratelimits feature has been removed.\n\
-    Configure absolute ratelimits via Ratelimiter::set_absolute_ratelimits.\n\
-    You can set the Ratelimiter of Http via HttpBuilder::ratelimiter."
-);
-
 /// Special module that re-exports most public items from this crate.
 ///
 /// Useful, because you don't have to remember the full paths of serenity items.