Auto merge of #122041 - matthiaskrgr:rollup-imsmdke, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #121202 (Limit the number of names and values in check-cfg diagnostics)
 - #121301 (errors: share `SilentEmitter` between rustc and rustfmt)
 - #121658 (Hint user to update nightly on ICEs produced from outdated nightly)
 - #121846 (only compare ambiguity item that have hard error)
 - #121961 (add test for #78894 #71450)
 - #121975 (hir_analysis: enums return `None` in `find_field`)
 - #121978 (Fix duplicated path in the "not found dylib" error)
 - #121991 (Merge impl_trait_in_assoc_types_defined_by query back into `opaque_types_defined_by`)

r? `@ghost`
`@rustbot` modify labels: rollup

compiler/rustc_middle/src/query/mod.rs

@@ -344,15 +344,6 @@ rustc_queries! {
         }
     }
 
-    query impl_trait_in_assoc_types_defined_by(
-        key: LocalDefId
-    ) -> &'tcx ty::List<LocalDefId> {
-        desc {
-            |tcx| "computing the opaque types defined by `{}`",
-            tcx.def_path_str(key.to_def_id())
-        }
-    }
-
     /// Returns the list of bounds that can be used for
     /// `SelectionCandidate::ProjectionCandidate(_)` and
     /// `ProjectionTyCandidate::TraitDef`.