Remove versioned symbols not provided by the shared library anymore

These symbols mapped to the syscalls, but got eventually namespaced as
__sys_*, and made local, so they have not been provided for a while now.

Signed-off-by: Guillem Jover <guillem@hadrons.org>
diff --git a/src/liburing.map b/src/liburing.map
index 14c67f2..0ed7d4b 100644
--- a/src/liburing.map
+++ b/src/liburing.map
@@ -3,15 +3,9 @@
 		io_uring_queue_init;
 		io_uring_queue_mmap;
 		io_uring_queue_exit;
-		io_uring_peek_cqe;
-		io_uring_wait_cqe;
 		io_uring_submit;
 		io_uring_submit_and_wait;
 		io_uring_get_sqe;
-		io_uring_register;
-		io_uring_setup;
-		io_uring_enter;
-		io_uring_mmap;
 		io_uring_register_buffers;
 		io_uring_unregister_buffers;
 		io_uring_register_files;