Revert "Cache whether a body has inline consts"

This reverts commit eae5031ecb.

compiler/rustc_mir_transform/src/lib.rs

@@ -225,11 +225,7 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet<LocalDefId> {
     // Inline consts' bodies are created in
     // typeck instead of during ast lowering, like all other bodies so far.
     for def_id in tcx.hir().body_owners() {
-        // Incremental performance optimization: only load typeck results for things that actually have inline consts
-        if tcx.hir_owner_nodes(tcx.hir().body_owned_by(def_id).id().hir_id.owner).has_inline_consts
-        {
-            set.extend(tcx.typeck(def_id).inline_consts.values())
-        }
+        set.extend(tcx.typeck(def_id).inline_consts.values())
     }
 
     // Additionally, tuple struct/variant constructors have MIR, but