remove obsolete doc file

Signed-off-by: Jeff Knurek <j.knurek@travelaudience.com>

docs/helm/helm_get_version.md

-## helm get version
-
-download the chart version for a named release
-
-### Synopsis
-
-This command fetches the chart version for a given release.
-
-```
-helm get version [flags] RELEASE_NAME
-```
-
-### Options
-
-```
-  -h, --help                  help for version
-      --revision int32        get the named release with revision
-      --tls                   enable TLS for request
-      --tls-ca-cert string    path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
-      --tls-cert string       path to TLS certificate file (default "$HELM_HOME/cert.pem")
-      --tls-hostname string   the server name used to verify the hostname on the returned certificates from the server
-      --tls-key string        path to TLS key file (default "$HELM_HOME/key.pem")
-      --tls-verify            enable TLS for request and verify remote
-```
-
-### Options inherited from parent commands
-
-```
-      --debug                           enable verbose output
-      --home string                     location of your Helm config. Overrides $HELM_HOME (default "~/.helm")
-      --host string                     address of Tiller. Overrides $HELM_HOST
-      --kube-context string             name of the kubeconfig context to use
-      --kubeconfig string               absolute path to the kubeconfig file to use
-      --tiller-connection-timeout int   the duration (in seconds) Helm will wait to establish a connection to tiller (default 300)
-      --tiller-namespace string         namespace of Tiller (default "kube-system")
-```
-
-### SEE ALSO
-
-* [helm get](helm_get.md)	 - download a named release
-
-###### Auto generated by spf13/cobra on 21-Mar-2019