message: [examples/enzyme] Remove unused code
diff: @@ -2,7 +2,6 @@ use pdsl_core::{
  storage::{
  Key,
  alloc::{
  - Allocator,
  ForwardAlloc,
  },
  },
  @@ -17,14 +16,6 @@ use std::sync::Mutex;
  pub type Address = [u8; 32];
  -/// Allocates an amount of contract storage.
  -///
  -/// Doesn't actually touch the storage but keeps it from
  -/// getting reused by another instance.
  -pub fn alloc(size: u32) -> Key {
  - STORAGE_ALLOC.lock().unwrap().alloc(size)
  -}
  -
  /// Return current contract caller as 32-bytes array.
  pub fn caller_as_array() -> [u8; 32] {
  let caller_as_vec = ContractEnv::caller();
  @@ -42,12 +33,4 @@ lazy_static! {
  )
  })
  };
  - pub(crate) static ref TWEETS_KEY: Key = {
  - alloc(1)
  - };
  - pub(crate) static ref USERS_KEY: Key = {
  - let ret = alloc(1);
  - alloc(u32::max_value());
  - ret
  - };
  }
  