chore: Remove deprecated lint suppressions

- Remove #![allow(deprecated)] attributes from 9 crypto and protocol files.
- Clean up files after deprecation warnings were addressed in previous commits.

Author: Wandalen

dtls/src/crypto/crypto_ccm.rs

@@ -8,8 +8,6 @@
 // https://github.com/RustCrypto/AEADs
 // https://docs.rs/ccm/0.3.0/ccm/ Or https://crates.io/crates/aes-ccm?
 
-#![allow(deprecated)]
-
 use std::io::Cursor;
 
 use aes::Aes128;

dtls/src/crypto/crypto_chacha20.rs

@@ -1,5 +1,3 @@
-#![allow(deprecated)]
-
 use std::io::Cursor;
 
 use chacha20poly1305::aead::generic_array::GenericArray;

dtls/src/crypto/crypto_gcm.rs

@@ -6,8 +6,6 @@
 // https://github.com/RustCrypto/AEADs
 // https://docs.rs/aes-gcm/0.8.0/aes_gcm/
 
-#![allow(deprecated)]
-
 use std::io::Cursor;
 
 use aes_gcm::aead::generic_array::GenericArray;

dtls/src/handshake/handshake_cache.rs

@@ -1,5 +1,3 @@
-#![allow(deprecated)]
-
 #[cfg(test)]
 mod handshake_cache_test;
 

srtp/src/cipher/cipher_aead_aes_gcm.rs

@@ -1,5 +1,3 @@
-#![allow(deprecated)]
-
 use std::marker::PhantomData;
 
 use aead::consts::{U12, U16};

srtp/src/cipher/cipher_aes_cm_hmac_sha1/ctrcipher.rs

@@ -1,5 +1,3 @@
-#![allow(deprecated)]
-
 use aes::cipher::generic_array::GenericArray;
 use aes::cipher::{KeyIvInit, StreamCipher, StreamCipherSeek};
 use bytes::{BufMut, Bytes};

srtp/src/key_derivation.rs

@@ -1,5 +1,3 @@
-#![allow(deprecated)]
-
 use aes::cipher::BlockEncrypt;
 use aes::Aes256;
 use aes::{cipher::generic_array::GenericArray, Aes128};

stun/src/integrity.rs

@@ -1,5 +1,3 @@
-#![allow(deprecated)]
-
 #[cfg(test)]
 mod integrity_test;
 

turn/src/auth/mod.rs

@@ -1,5 +1,3 @@
-#![allow(deprecated)]
-
 #[cfg(test)]
 mod auth_test;