linux(uclibc): remove conflicting records

Remove records that are already declared in top-level modules. This
affects x86_64 only. There is no such supported Rust target. This change
should virtually affect nobody.

(backport <rust-lang#5165>)
(cherry picked from commit 1d33a6e)

Author: dybucc

src/unix/linux_like/linux/uclibc/x86_64/mod.rs

@@ -246,19 +246,6 @@ s! {
         pub _f: [c_char; 0],
     }
 
-    pub struct glob_t {
-        // FIXME(ulibc)
-        pub gl_pathc: size_t,
-        pub gl_pathv: *mut *mut c_char,
-        pub gl_offs: size_t,
-        pub gl_flags: c_int,
-        __unused1: Padding<*mut c_void>,
-        __unused2: Padding<*mut c_void>,
-        __unused3: Padding<*mut c_void>,
-        __unused4: Padding<*mut c_void>,
-        __unused5: Padding<*mut c_void>,
-    }
-
     pub struct cpu_set_t {
         // FIXME(ulibc)
         #[cfg(target_pointer_width = "32")]
@@ -288,16 +275,6 @@ s! {
     }
 }
 
-s_no_extra_traits! {
-    pub struct dirent {
-        pub d_ino: crate::ino64_t,
-        pub d_off: off64_t,
-        pub d_reclen: u16,
-        pub d_type: u8,
-        pub d_name: [c_char; 256],
-    }
-}
-
 // constants
 pub const ENAMETOOLONG: c_int = 36; // File name too long
 pub const ENOTEMPTY: c_int = 39; // Directory not empty