Put non_local_definitions lint back to warn-by-default

Author: Urgau

Diff for: compiler/rustc_lint/src/non_local_def.rs

@@ -47,7 +47,7 @@ declare_lint! {
     /// All nested bodies (functions, enum discriminant, array length, consts) (expect for
     /// `const _: Ty = { ... }` in top-level module, which is still undecided) are checked.
     pub NON_LOCAL_DEFINITIONS,
-    Allow,
+    Warn,
     "checks for non-local definitions",
     report_in_external_macro
 }

Diff for: tests/ui/lint/non_local_definitions.rs

@@ -4,7 +4,7 @@
 //@ rustc-env:CARGO_CRATE_NAME=non_local_def
 
 #![feature(inline_const)]
-#![warn(non_local_definitions)]
+
 
 extern crate non_local_macro;
 

Diff for: tests/ui/lint/non_local_definitions.stderr

@@ -11,11 +11,7 @@ LL |     impl Uto for &Test {}
    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block and should not impact code outside of that item
    = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
-note: the lint level is defined here
-  --> $DIR/non_local_definitions.rs:7:9
-   |
-LL | #![warn(non_local_definitions)]
-   |         ^^^^^^^^^^^^^^^^^^^^^
+   = note: `#[warn(non_local_definitions)]` on by default
 
 warning: non-local `impl` definition, they should be avoided as they go against expectation
   --> $DIR/non_local_definitions.rs:47:5