pp_ctl.c: remove unreachable code

Author: jkeenan

pp_ctl.c

@@ -3594,9 +3594,6 @@ PP(pp_goto)
             case CXt_FORMAT:
             case CXt_NULL:
                 DIE(aTHX_ "Can't \"goto\" out of a pseudo block");
-            case CXt_DEFER:
-                /* diag_listed_as: Can't "%s" out of a "defer" block */
-                DIE(aTHX_ "Can't \"%s\" out of a \"%s\" block", "goto", S_defer_blockname(cx));
             default:
                 if (ix)
                     DIE(aTHX_ "panic: goto, type=%u, ix=%ld",