Remove ty::Error on hanlde_filed_access

This ty::Error was added in #123428, but the root cause is the same as #125323.
After report_error is fixed, the arm isn't needed anymore.

Signed-off-by: Shunpoco <[email protected]>

Author: Shunpoco

compiler/rustc_passes/src/dead.rs

@@ -166,7 +166,6 @@ impl<'tcx> MarkSymbolVisitor<'tcx> {
                 self.insert_def_id(def.non_enum_variant().fields[index].did);
             }
             ty::Tuple(..) => {}
-            ty::Error(_) => {}
             kind => span_bug!(lhs.span, "named field access on non-ADT: {kind:?}"),
         }
     }