refactor(gateway): delete CairoLangSierraToCasmCompiler (#2228)

No longer in use, we compile using CLI.
This is a leftover of an earlier design (depending on the compiler in
`Cargo.toml`, which ended up being less favorable.

crates/starknet_gateway/src/compilation.rs

@@ -5,7 +5,6 @@ use cairo_lang_starknet_classes::contract_class::ContractClass as CairoLangContr
 use starknet_api::contract_class::{ClassInfo, ContractClass};
 use starknet_api::rpc_transaction::RpcDeclareTransaction;
 use starknet_gateway_types::errors::GatewaySpecError;
-use starknet_sierra_compile::cairo_lang_compiler::CairoLangSierraToCasmCompiler;
 use starknet_sierra_compile::command_line_compiler::CommandLineCompiler;
 use starknet_sierra_compile::config::SierraToCasmCompilationConfig;
 use starknet_sierra_compile::utils::into_contract_class_for_compilation;
@@ -29,11 +28,6 @@ impl GatewayCompiler {
         Self { sierra_to_casm_compiler: Arc::new(CommandLineCompiler::new(config)) }
     }
 
-    // TODO(Arni): Cosider deleting `CairoLangSierraToCasmCompiler`.
-    pub fn new_cairo_lang_compiler(config: SierraToCasmCompilationConfig) -> Self {
-        Self { sierra_to_casm_compiler: Arc::new(CairoLangSierraToCasmCompiler { config }) }
-    }
-
     /// Formats the contract class for compilation, compiles it, and returns the compiled contract
     /// class wrapped in a [`ClassInfo`].
     /// Assumes the contract class is of a Sierra program which is compiled to Casm.

crates/starknet_sierra_compile/src/compile_test.rs

@@ -7,7 +7,6 @@ use infra_utils::path::resolve_project_relative_path;
 use mempool_test_utils::{FAULTY_ACCOUNT_CLASS_FILE, TEST_FILES_FOLDER};
 use rstest::rstest;
 
-use crate::cairo_lang_compiler::CairoLangSierraToCasmCompiler;
 use crate::command_line_compiler::CommandLineCompiler;
 use crate::config::SierraToCasmCompilationConfig;
 use crate::errors::CompilationUtilError;
@@ -19,9 +18,6 @@ use crate::SierraToNativeCompiler;
 const SIERRA_TO_CASM_COMPILATION_CONFIG: SierraToCasmCompilationConfig =
     SierraToCasmCompilationConfig { max_bytecode_size: 81920 };
 
-fn cairo_lang_compiler() -> CairoLangSierraToCasmCompiler {
-    CairoLangSierraToCasmCompiler { config: SIERRA_TO_CASM_COMPILATION_CONFIG }
-}
 fn command_line_compiler() -> CommandLineCompiler {
     CommandLineCompiler::new(SIERRA_TO_CASM_COMPILATION_CONFIG)
 }
@@ -39,9 +35,7 @@ fn get_faulty_test_contract() -> ContractClass {
     contract_class
 }
 
-// TODO: use the other compiler as well.
 #[rstest]
-#[case::cairo_lang_compiler(cairo_lang_compiler())]
 #[case::command_line_compiler(command_line_compiler())]
 fn test_compile_sierra_to_casm(#[case] compiler: impl SierraToCasmCompiler) {
     let expected_casm_contract_length = 72304;
@@ -55,7 +49,6 @@ fn test_compile_sierra_to_casm(#[case] compiler: impl SierraToCasmCompiler) {
 
 // TODO(Arni, 1/5/2024): Add a test for panic result test.
 #[rstest]
-#[case::cairo_lang_compiler(cairo_lang_compiler())]
 #[case::command_line_compiler(command_line_compiler())]
 fn test_negative_flow_compile_sierra_to_casm(#[case] compiler: impl SierraToCasmCompiler) {
     let contract_class = get_faulty_test_contract();

crates/starknet_sierra_compile/src/lib.rs

@@ -7,7 +7,6 @@ use cairo_native::executor::AotContractExecutor;
 use crate::errors::CompilationUtilError;
 
 pub mod build_utils;
-pub mod cairo_lang_compiler;
 pub mod command_line_compiler;
 pub mod config;
 pub mod errors;