Farm with locked rewards references cleanup

[psorinionut]

No description provided.

[github-actions]

Contract comparison - from 720dae7 to 1b70768

Path	size	has-allocator	has-format
mx-exchange-sc
- pause-all/pause-all.wasm	5448	No	No
mx-exchange-sc/dex
- farm/farm.wasm	38712 ➡️ 38702 🟢	No	No
- farm-with-locked-rewards/farm-with-locked-rewards.wasm	38321 ➡️ 38333 🔴	No	No
- governance/governance.wasm	17305	No	No
- pair
- - pair.wasm	30534	No	No
- - pair-full.wasm	31983	No	No
- - safe-price-view.wasm	7862	No	No
- pair-mock/pair-mock.wasm	5474	No	No
- price-discovery/price-discovery.wasm	16275	No	No
- proxy-deployer/proxy-deployer.wasm	4477	No	No
- router/router.wasm	26012	No	No
mx-exchange-sc/energy-integration
- energy-factory-mock/energy-factory-mock.wasm	4233	No	No
- energy-update/energy-update.wasm	1520	No	No
- fees-collector/fees-collector.wasm	18552	No	No
- governance-v2/governance-v2.wasm	16715	No	No
mx-exchange-sc/farm-staking
- farm-staking/farm-staking.wasm	42885 ➡️ 42859 🟢	No	No
- farm-staking-proxy/farm-staking-proxy.wasm	18650 ➡️ 18952 🔴	No	No
- metabonding-staking/metabonding-staking.wasm	9614	No	No
mx-exchange-sc/locked-asset
- distribution/distribution.wasm	14379	No	No
- energy-factory/energy-factory.wasm	34638	No	No
- factory/factory.wasm	30396	No	No
- lkmex-transfer/lkmex-transfer.wasm	11235	No	No
- locked-token-wrapper/locked-token-wrapper.wasm	14312	No	No
- proxy_dex/proxy_dex.wasm	36352	No	No
- simple-lock/simple-lock.wasm	24123	No	No
- simple-lock-whitelist/simple-lock-whitelist.wasm	25780	No	No
- token-unstake/token-unstake.wasm	13646	No	No