Drop ip-policy documentation

The IP policy included in the manifest is not applicable anymore for the
project under EF.

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

index.rst

@@ -105,7 +105,6 @@ daily life.
    :caption: Policies and Compliance
    :maxdepth: 2
    
-   ip-policy/index
    security/index
    
 .. toctree::

ip-policy/index.rst

-.. SPDX-FileCopyrightText: Huawei Inc.
-..
-.. SPDX-License-Identifier: CC-BY-4.0
-
-Intellectual Property Compliance Policy
-#######################################
-
-.. toctree::
-   :maxdepth: 1
-
-   ip-policy_policy/index
-   ip-policy_implementation-guidelines/index

ip-policy/ip-policy_implementation-guidelines

-../../ip-policy/implementation_guidelines/source/
\ No newline at end of file

ip-policy/ip-policy_policy

-../../ip-policy/policy/source/
\ No newline at end of file