docs: remove redundant details from storage-list

Author: tmihoc

docs/reference/hook-command/list-of-hook-commands/storage-list.md

@@ -24,9 +24,4 @@ attached to the unit. These names can be passed to `storage-get`
 via the `-s` flag to query the storage attributes.
 
 A storage name may be specified, in which case only storage
-instances for that named storage will be returned.
-
-Further details:
-`storage-list` list storages instances that are attached to the unit.
-The storage instance identifiers returned from `storage-list` may be
-passed through to the `storage-get` command using the `-s` option.
+instances for that named storage will be returned.

internal/worker/uniter/runner/jujuc/storage-list.go

@@ -34,11 +34,6 @@ via the ` + "`-s`" + ` flag to query the storage attributes.
 
 A storage name may be specified, in which case only storage
 instances for that named storage will be returned.
-
-Further details:
-` + "`storage-list`" + ` list storages instances that are attached to the unit.
-The storage instance identifiers returned from ` + "`storage-list`" + ` may be
-passed through to the ` + "`storage-get`" + ` command using the ` + "`-s`" + ` option.
 `
 	examples := `
     storage-list pgdata