lang: Remove `bytemuck_derive` version requirement (#3630)

Cargo.lock

@@ -264,7 +264,6 @@ dependencies = [
  "bincode",
  "borsh 0.10.3",
  "bytemuck",
- "bytemuck_derive",
  "solana-program",
  "thiserror",
 ]

lang/Cargo.toml

@@ -58,8 +58,3 @@ borsh = "0.10.3"
 bytemuck = "1"
 solana-program = "2"
 thiserror = "1"
-
-# v1.9 specifies `rust-version = "1.84"`, which causes compatibility issues with Solana build
-# tools' Rust version (1.79.0 at the time of writing this comment).
-# TODO: Remove when the Solana version we use comes with Rust version >= 1.84
-bytemuck_derive = ">1.0.0, <1.9"