Cleanup license commands (#794)

Cleans up the license commands

source/reference/minio-mc.rst

@@ -259,7 +259,6 @@ The following table lists :mc-cmd:`mc` commands:
 
    * - | :mc:`mc license info`
        | :mc:`mc license register`
-       | :mc:`mc license unregister`
        | :mc:`mc license update`
      - .. include:: /reference/minio-mc/mc-license.rst
           :start-after: start-mc-license-desc

source/reference/minio-mc/mc-license-unregister.rst

@@ -1,73 +0,0 @@
-=========================
-``mc license unregister``
-=========================
-
-.. default-domain:: minio
-
-.. contents:: Table of Contents
-   :local:
-   :depth: 1
-
-.. mc:: mc license unregister
-
-
-Description
------------
-
-.. start-mc-license-unregister-desc
-
-The :mc-cmd:`mc license unregister` command disconnects your deployment from your |SUBNET| account.
-
-.. end-mc-license-unregister-desc
-
-.. important::
-
-   After unregistering, you can no longer use the :mc:`mc support` commands.
-
-
-Examples
---------
-
-Unregister a Deployment Using the Deployment's Name
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-Remove the registration of the MinIO deployment at alias ``minio1`` from SUBNET.
-
-.. code-block:: shell
-   :class: copyable
-
-   mc license unregister minio1
-
-Syntax
-------
-      
-The command has the following syntax:
-
-.. code-block:: shell
-
-   mc [GLOBALFLAGS] license unregister ALIAS       \
-                                       [--airgap]
-
-Parameters
-~~~~~~~~~~
-
-.. mc-cmd:: ALIAS
-   :required:
-
-   The :ref:`alias <alias>` of the MinIO deployment.
-
-.. mc-cmd:: --airgap
-   :optional:
-
-   .. versionadded:: RELEASE.2023-01-28T20-29-38Z
-
-   Removes registration info from the deployment without also unregistering from SUBNET.
-   Use in environments without direct access to the Internet.
-
-
-Global Flags
-~~~~~~~~~~~~
-
-.. include:: /includes/common-minio-mc.rst
-   :start-after: start-minio-mc-globals
-   :end-before: end-minio-mc-globals

source/reference/minio-mc/mc-license.rst

@@ -44,11 +44,6 @@ Subcommands
           :start-after: start-mc-license-register-desc
           :end-before: end-mc-license-register-desc
 
-   * - :mc:`~mc license unregister`
-     - .. include:: /reference/minio-mc/mc-license-unregister.rst
-          :start-after: start-mc-license-unregister-desc
-          :end-before: end-mc-license-unregister-desc
-
    * - :mc:`~mc license update`
      - .. include:: /reference/minio-mc/mc-license-update.rst
           :start-after: start-mc-license-update-desc
@@ -60,5 +55,4 @@ Subcommands
    
    /reference/minio-mc/mc-license-info
    /reference/minio-mc/mc-license-register
-   /reference/minio-mc/mc-license-unregister
    /reference/minio-mc/mc-license-update