Auto merge of #31652 - semarie:openbsd-os-raw, r=alexcrichton

remove unused import that cause an error at compile-time.

r? @alexcrichton

Author: bors

src/libstd/os/openbsd/raw.rs

@@ -19,7 +19,6 @@
 #![allow(deprecated)]
 
 use os::raw::c_long;
-use os::unix::raw::{uid_t, gid_t};
 
 #[stable(feature = "raw_ext", since = "1.1.0")] pub type blkcnt_t = u64;
 #[stable(feature = "raw_ext", since = "1.1.0")] pub type blksize_t = u64;