refactor(target_chains/ethereum): remove batch update support

[Riateche]

• Removed support for old batch update format from updatePriceFeeds, parsePriceFeedUpdates, getUpdateFee contract functions.
• Updated and cleaned up tests accordingly.

Batch renames are made in separate commits for easier review.

PythUpgradable contract size reduced from 22.061 kB to 20.568 kB, according to forge build --sizes.

Gas report

No significant changes, according to forge test --gas-report --match-contract GasBenchmark.

Reports

Old:

contracts/pyth/PythUpgradable.sol:PythUpgradable contract
Deployment Cost	Deployment Size
4848557	22459
Function Name	min	avg	median	max	# calls
getEmaPrice	4025	4025	4025	4025	1
getPrice	3169	3169	3169	3169	1
getUpdateFee	2455	3370	3553	3553	426
initialize	245301	245301	245301	245301	35
parsePriceFeedUpdates	118792	151982	143161	207422	10
parsePriceFeedUpdatesUnique	121266	122119	122119	122973	2
updatePriceFeeds	103293	279601	328963	328963	47
updatePriceFeedsIfNecessary	7478	87091	87091	166705	2

New:

contracts/pyth/PythUpgradable.sol:PythUpgradable contract
Deployment Cost	Deployment Size
4526025	20966
Function Name	min	avg	median	max	# calls
getEmaPrice	4025	4025	4025	4025	1
getPrice	3169	3169	3169	3169	1
getUpdateFee	3553	3553	3553	3553	315
initialize	245301	245301	245301	245301	31
parsePriceFeedUpdates	121062	173233	188705	207350	10
parsePriceFeedUpdatesUnique	121242	122095	122095	122949	2
updatePriceFeeds	102690	300067	353387	353387	41
updatePriceFeedsIfNecessary	7478	99299	99299	191120	2

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

2 Ignored Deployments

Name	Status	Preview	Comments	Updated (UTC)
example-oracle-amm	⬜️ Ignored (Inspect)	Visit Preview		Mar 28, 2024 2:42pm
xc-admin-frontend	⬜️ Ignored (Inspect)	Visit Preview		Mar 28, 2024 2:42pm

[ali-behjati]

This is very nice. I left some inline comments to see whether we can remove even more code! I'll approve after getting your opinions about them.

[ali-behjati]

Very nice. Feel free to merge it when you've removed some of the duplicate tests.