fixup: Remove one unintentional change

Author: petrochenkov

compiler/rustc_resolve/src/imports.rs

@@ -471,7 +471,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
                             resolution.glob_binding = Some(this.select_glob_binding(
                                 glob_binding,
                                 old_glob_binding,
-                                warn_ambiguity,
+                                false,
                             ));
                         } else {
                             resolution.glob_binding = Some(glob_binding);