Move Clippy configuration to config.toml (#2541)

ruff_cli/src/args.rs

@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use std::path::PathBuf;
 
 use clap::{command, Parser};

ruff_cli/src/lib.rs

@@ -2,9 +2,6 @@
 //! to automatically update the `ruff help` output in the `README.md`.
 //!
 //! For the actual Ruff library, see [`ruff`].
-#![forbid(unsafe_code)]
-#![warn(clippy::pedantic)]
-#![allow(clippy::must_use_candidate, dead_code)]
 
 mod args;
 

ruff_cli/src/main.rs

@@ -1,12 +1,3 @@
-#![forbid(unsafe_code)]
-#![warn(clippy::pedantic)]
-#![allow(
-    clippy::match_same_arms,
-    clippy::missing_errors_doc,
-    clippy::module_name_repetitions,
-    clippy::too_many_lines
-)]
-
 use std::io::{self};
 use std::path::PathBuf;
 use std::process::ExitCode;