Remove nil-enum test

src/test/debuginfo/nil-enum.rs

@@ -1,24 +0,0 @@
-// LLDB can't handle zero-sized values.
-// ignore-lldb
-
-// compile-flags:-g
-// gdb-command:run
-
-// gdb-command:print *first
-// gdbg-check:$1 = {<No data fields>}
-// gdbr-check:$1 = <error reading variable>
-
-#![allow(unused_variables)]
-#![feature(omit_gdb_pretty_printer_section)]
-#![feature(maybe_uninit)]
-#![omit_gdb_pretty_printer_section]
-
-enum Void {}
-
-fn main() {
-    let first: *const Void = 1 as *const _;
-
-    zzz(); // #break
-}
-
-fn zzz() {}