tools/rbd/action/MirrorPool: remove dead branch

mirror_image_get_info() API doesn't fail with ENOENT when mirroring is
disabled since commit c9c8852. So, no need to handle ENOENT error from
mirror_image_get_info() API.

Signed-off-by: Ramana Raja <[email protected]>

Author: ajarr

src/tools/rbd/action/MirrorPool.cc

@@ -471,10 +471,7 @@ class ImageRequestBase {
   void handle_get_info(int r) {
     dout(20) << this << " " << __func__ << ": r=" << r << dendl;
 
-    if (r == -ENOENT) {
-      close_image();
-      return;
-    } else if (r < 0) {
+    if (r < 0) {
       std::cerr << "rbd: failed to retrieve mirror image info for "
                 << m_image_name << ": " << cpp_strerror(r) << std::endl;
       m_ret_val = r;