docs/advanced/node-local-storage.md: remove invalid sections

Signed-off-by: Mateusz Gozdek <[email protected]>

docs/advanced/node-local-storage.md

@@ -253,15 +253,9 @@ node storage will be available to only one PV, thus it will be available to only
 one PVC and one pod.  This is the only automated setup supported in Lokomotive
 at the time of writing.
 
- * You can share the volume in different PVs if you create a sub-directory per
-PV, bind mount each of them and only expose the subdirectories. It is explained
-in detail [here][1]. But take into account that it needs to be done manually.
-
  * When using `setup_raid = "true"` the filesystem is `ext4` and there is no
 way to use different one right now.
 
-[1]: https://github.com/kubernetes-sigs/sig-storage-local-static-provisioner/blob/master/docs/operations.md#sharing-a-disk-filesystem-by-multiple-filesystem-pvs
-
 ### Operation and FAQs
 
 * [Recommendations and tips on how to operate][1]. Bear in mind, however, that the provisioner is not being used in Lokomotive