TEMPORARY: revert hashing

Author: compiler-errors

compiler/rustc_middle/src/hir/map/mod.rs

@@ -1121,9 +1121,6 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, _: LocalCrate) -> Svh {
         // the fly in the resolver, storing only their accumulated hash in `ResolverGlobalCtxt`,
         // and combining it with other hashes here.
         resolutions.visibilities_for_hashing.hash_stable(&mut hcx, &mut stable_hasher);
-        with_metavar_spans(|mspans| {
-            mspans.hash_stable(&mut hcx, &mut stable_hasher);
-        });
         stable_hasher.finish()
     });