remove command prompts and deprecated note (kubernetes#12870)

content/en/docs/concepts/storage/volumes.md

@@ -1151,12 +1151,12 @@ CSI support was introduced as alpha in Kubernetes v1.9, moved to beta in
 Kubernetes v1.10, and is GA in Kubernetes v1.13.
 
 {{< note >}}
-**Note:** Support for CSI spec versions 0.2 and 0.3 are deprecated in Kubernetes
+Support for CSI spec versions 0.2 and 0.3 are deprecated in Kubernetes
 v1.13 and will be removed in a future release.
 {{< /note >}}
 
 {{< note >}}
-**Note:** CSI drivers may not be compatible across all Kubernetes releases.
+CSI drivers may not be compatible across all Kubernetes releases.
 Please check the specific CSI driver's documentation for supported
 deployments steps for each Kubernetes release and a compatibility matrix.
 {{< /note >}}
@@ -1303,8 +1303,8 @@ MountFlags=shared
 ```
 Or, remove `MountFlags=slave` if present.  Then restart the Docker daemon:
 ```shell
-$ sudo systemctl daemon-reload
-$ sudo systemctl restart docker
+sudo systemctl daemon-reload
+sudo systemctl restart docker
 ```