chore(chisel): remove unused EtherscanABIResponse and serde import (#11911)

Author: radik878

crates/chisel/src/dispatcher.rs

@@ -21,7 +21,6 @@ use foundry_evm::{
     },
 };
 use reqwest::Url;
-use serde::{Deserialize, Serialize};
 use solar::{
     parse::lexer::token::{RawLiteralKind, RawTokenKind},
     sema::ast::Base,
@@ -55,18 +54,6 @@ pub struct ChiselDispatcher {
     pub helper: SolidityHelper,
 }
 
-/// A response from the Etherscan API's `getabi` action
-#[derive(Debug, Serialize, Deserialize)]
-pub struct EtherscanABIResponse {
-    /// The status of the response
-    /// "1" = success | "0" = failure
-    pub status: String,
-    /// The message supplied by the API
-    pub message: String,
-    /// The result returned by the API. Will be `None` if the request failed.
-    pub result: Option<String>,
-}
-
 /// Helper function that formats solidity source with the given [FormatterConfig]
 pub fn format_source(source: &str, config: FormatterConfig) -> eyre::Result<String> {
     let formatted = forge_fmt::format(source, config).into_result()?;