Revert "Name function arguments in libc headers for Studio."

This reverts commit 079bff4fa52b0c3c76057451cc9cdecf1827fce0.

Broke builds with SANITIZE_HOST=address with an asan failure in versioner.

Change-Id: I22b113fd5405589d1a25e5e137c450aaba1ade5f
diff --git a/libc/include/sys/procfs.h b/libc/include/sys/procfs.h
index 75a1e98..eff39e2 100644
--- a/libc/include/sys/procfs.h
+++ b/libc/include/sys/procfs.h
@@ -59,4 +59,4 @@
 
 __END_DECLS
 
-#endif
+#endif /* _SYS_PROCFS_H_ */