Remove TODO from API v2 response

CHANGELOG.md

@@ -14,6 +14,7 @@
 
 ### Chore
 
+- [#8104](https://github.com/blockscout/blockscout/pull/8104) - remove "TODO" from API v2 response
 - [#8100](https://github.com/blockscout/blockscout/pull/8100), [#8103](https://github.com/blockscout/blockscout/pull/8103) - Extend docker-compose configs with new config when front is running externally
 
 <details>

apps/block_scout_web/lib/block_scout_web/views/api/v2/block_view.ex

@@ -50,9 +50,9 @@ defmodule BlockScoutWeb.API.V2.BlockView do
       "base_fee_per_gas" => block.base_fee_per_gas,
       "burnt_fees" => burned_fee,
       "priority_fee" => priority_fee,
-      "extra_data" => "TODO",
+      # "extra_data" => "TODO",
       "uncles_hashes" => prepare_uncles(block.uncle_relations),
-      "state_root" => "TODO",
+      # "state_root" => "TODO",
       "rewards" => prepare_rewards(block.rewards, block, single_block?),
       "gas_target_percentage" => gas_target(block),
       "gas_used_percentage" => gas_used_percentage(block),