Remove not needed pub visibility

Author: aerooneqq

compiler/rustc_ast_lowering/src/lib.rs

@@ -529,7 +529,7 @@ fn compute_hir_hash(
     })
 }
 
-pub fn lower_to_hir(tcx: TyCtxt<'_>, (): ()) -> mid_hir::Crate<'_> {
+fn lower_to_hir(tcx: TyCtxt<'_>, (): ()) -> mid_hir::Crate<'_> {
     // Queries that borrow `resolver_for_lowering`.
     tcx.ensure_done().output_filenames(());
     tcx.ensure_done().early_lint_checks(());
@@ -569,7 +569,7 @@ pub fn lower_to_hir(tcx: TyCtxt<'_>, (): ()) -> mid_hir::Crate<'_> {
 }
 
 /// Lowers an AST owner corresponding to `def_id`, now only delegations are lowered this way.
-pub fn lower_delayed_owner(tcx: TyCtxt<'_>, def_id: LocalDefId) {
+fn lower_delayed_owner(tcx: TyCtxt<'_>, def_id: LocalDefId) {
     let krate = tcx.hir_crate(());
 
     let (resolver, krate) = &*krate.delayed_resolver.borrow();