Auto merge of #13740 - Muscraft:remove-rust-2024-compat, r=epage

refactor: Remove `rust_2024_compatibility` lint group

The `rust_2024_compatibility` lint group was added as a way to be compatible with `Rust`. This group is meant to be used when switching to the 2024 edition (usually enabled by `cargo fix --edition`). Since we are not going to be interacting with `cargo fix` in the standard way to fix edition lints, this group is not needed at this time. Removing this will (slightly) reduce the complexity of working on things for the 2024 edition.

src/cargo/util/lints.rs

@@ -66,13 +66,6 @@ pub struct LintGroup {
     pub edition_lint_opts: Option<(Edition, LintLevel)>,
 }
 
-const RUST_2024_COMPATIBILITY: LintGroup = LintGroup {
-    name: "rust_2024_compatibility",
-    default_level: LintLevel::Allow,
-    desc: "warn about compatibility with Rust 2024",
-    edition_lint_opts: Some((Edition::Edition2024, LintLevel::Deny)),
-};
-
 #[derive(Copy, Clone, Debug)]
 pub struct Lint {
     pub name: &'static str,
@@ -152,7 +145,7 @@ impl From<TomlLintLevel> for LintLevel {
 const IMPLICIT_FEATURES: Lint = Lint {
     name: "implicit_features",
     desc: "warn about the use of unstable features",
-    groups: &[RUST_2024_COMPATIBILITY],
+    groups: &[],
     default_level: LintLevel::Allow,
     edition_lint_opts: Some((Edition::Edition2024, LintLevel::Deny)),
 };

tests/testsuite/lints/mod.rs

@@ -1,2 +1 @@
 mod implicit_features;
-mod rust_2024_compatibility;