message: remove deprecation of the `Addressing::new`
diff: @@ -22,7 +22,6 @@ use super::scheme::{self};
  #[cfg_attr(feature = "generic-serialization", derive(Serialize, Deserialize))]
  pub struct Addressing(u32, u32);
  impl Addressing {
  - #[deprecated]
  pub fn new(account: u32, index: u32) -> Self {
  Addressing(account | 0x80000000, index | 0x80000000)
  }
  