remove currency support in token admin registry

contracts/ccip/ccip/sources/token_admin_registry.move

@@ -10,7 +10,6 @@ use std::ascii;
 use std::string::{Self, String};
 use std::type_name;
 use sui::coin::{CoinMetadata, TreasuryCap};
-use sui::coin_registry::Currency;
 use sui::event;
 use sui::linked_table::{Self, LinkedTable};
 
@@ -327,7 +326,6 @@ public fun get_all_configured_tokens(
 /// Only the token owner can call this function to register a token pool for the token it owns.
 /// The ownership of the token is proven by the presence of the treasury cap.
 /// The publisher wrapper proves that the caller owns the token pool package.
-/// If this token is a regulated coin, it should still have a shared or frozen coin metadata object.
 public fun register_pool<T, TypeProof: drop>(
     ref: &mut CCIPObjectRef,
     _: &TreasuryCap<T>, // passing in the treasury cap to demonstrate ownership over the token
@@ -364,44 +362,6 @@ public fun register_pool<T, TypeProof: drop>(
     );
 }
 
-/// similar to register_pool, but for newer Sui coin standard Currency
-/// need to be called by a token pool which supports a Sui coin with the Currency standard
-public fun register_pool_with_currency<T, TypeProof: drop>(
-    ref: &mut CCIPObjectRef,
-    _: &TreasuryCap<T>, // passing in the treasury cap to demonstrate ownership over the token
-    currency: &Currency<T>,
-    initial_administrator: address,
-    lock_or_burn_params: vector<address>,
-    release_or_mint_params: vector<address>,
-    publisher_wrapper: PublisherWrapper<TypeProof>, // Proves ownership over the token pool package.
-    _proof: TypeProof,
-) {
-    verify_function_allowed(
-        ref,
-        string::utf8(b"token_admin_registry"),
-        string::utf8(b"register_pool_with_currency"),
-        VERSION,
-    );
-
-    let package_address = publisher_wrapper::get_package_address(publisher_wrapper);
-    let proof_tn = type_name::with_defining_ids<TypeProof>();
-    let token_pool_module = proof_tn.module_string().into_bytes().to_string();
-    let coin_metadata_address = object::id_address(currency); // use coin_metadata_address for consistency
-    let token_type = type_name::with_defining_ids<T>().into_string();
-
-    register_pool_internal(
-        ref,
-        coin_metadata_address,
-        package_address,
-        token_pool_module,
-        token_type,
-        initial_administrator,
-        proof_tn.into_string(),
-        lock_or_burn_params,
-        release_or_mint_params,
-    );
-}
-
 /// Only owner of CCIP can call this function to register a token pool.
 public fun register_pool_as_owner(
     owner_cap: &OwnerCap,