Revert "Fix incorrect relocations for x86."

Bug: 16853291
This reverts commit 512bc5232689bec9c763c8247b59de970096ff87.
diff --git a/libc/arch-x86/syscalls/socketpair.S b/libc/arch-x86/syscalls/socketpair.S
index 60a95d8..945faa0 100644
--- a/libc/arch-x86/syscalls/socketpair.S
+++ b/libc/arch-x86/syscalls/socketpair.S
@@ -18,7 +18,7 @@
     jb      1f
     negl    %eax
     pushl   %eax
-    call    PIC_PLT(__set_errno)
+    call    __set_errno
     addl    $4, %esp
 1:
     popl    %ecx