mir_build only depends on lint_defs, not lints

This speeds up incremental compile times when modifying rustc_lint.

Cargo.lock

@@ -4344,7 +4344,7 @@ dependencies = [
  "rustc_hir",
  "rustc_index",
  "rustc_infer",
- "rustc_lint",
+ "rustc_lint_defs",
  "rustc_macros",
  "rustc_middle",
  "rustc_pattern_analysis",

compiler/rustc_mir_build/Cargo.toml

@@ -15,7 +15,7 @@ rustc_errors = { path = "../rustc_errors" }
 rustc_hir = { path = "../rustc_hir" }
 rustc_index = { path = "../rustc_index" }
 rustc_infer = { path = "../rustc_infer" }
-rustc_lint = { path = "../rustc_lint" }
+rustc_lint_defs = { path = "../rustc_lint_defs" }
 rustc_macros = { path = "../rustc_macros" }
 rustc_middle = { path = "../rustc_middle" }
 rustc_pattern_analysis = { path = "../rustc_pattern_analysis" }

compiler/rustc_mir_build/src/thir/pattern/check_match.rs

@@ -8,7 +8,7 @@
 use rustc_hir::def_id::{DefId, LocalDefId};
 use rustc_hir::{self as hir, BindingMode, ByRef, HirId, MatchSource};
 use rustc_infer::infer::TyCtxtInferExt;
-use rustc_lint::Level;
+use rustc_lint_defs::Level;
 use rustc_middle::bug;
 use rustc_middle::thir::visit::Visitor;
 use rustc_middle::thir::*;

compiler/rustc_mir_build/src/thir/pattern/migration.rs

@@ -3,7 +3,7 @@
 use rustc_data_structures::fx::FxIndexMap;
 use rustc_errors::{Applicability, Diag, EmissionGuarantee, MultiSpan, pluralize};
 use rustc_hir::{BindingMode, ByRef, HirId, Mutability};
-use rustc_lint as lint;
+use rustc_lint_defs::builtin::RUST_2024_INCOMPATIBLE_PAT;
 use rustc_middle::ty::{self, Rust2024IncompatiblePatInfo, TyCtxt};
 use rustc_span::{Ident, Span};
 
@@ -56,7 +56,7 @@ pub(super) fn emit<'tcx>(self, tcx: TyCtxt<'tcx>, pat_id: HirId) {
             err.emit();
         } else {
             tcx.emit_node_span_lint(
-                lint::builtin::RUST_2024_INCOMPATIBLE_PAT,
+                RUST_2024_INCOMPATIBLE_PAT,
                 pat_id,
                 spans,
                 rustc_errors::DiagDecorator(|diag| {