Rollup merge of rust-lang#112165 - fee1-dead-contrib:rn-defualtness, r=compiler-errors

Rename `impl_defaultness` to `defaultness`

Since this isn't just about the `impl`.

Author: matthiaskrgr

clippy_lints/src/missing_inline.rs

@@ -105,7 +105,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
                     match tit_.kind {
                         hir::TraitItemKind::Const(..) | hir::TraitItemKind::Type(..) => {},
                         hir::TraitItemKind::Fn(..) => {
-                            if cx.tcx.impl_defaultness(tit.id.owner_id).has_value() {
+                            if cx.tcx.defaultness(tit.id.owner_id).has_value() {
                                 // trait method with default body needs inline in case
                                 // an impl is not provided
                                 let desc = "a default trait method";