ibexa_dxp_v4.6.md: Remove broken links

rename docs/api/php_api/php_api_reference/classes/{Ibexa-Contracts-AdminUi-Permission-PermissionCheckContextProviderInterface.html => Ibexa-Contracts-Share-Permission-PermissionCheckContextProviderInterface.html} (84%)
rename docs/api/php_api/php_api_reference/classes/{Ibexa-Contracts-AdminUi-Values-PermissionCheckContext.html => Ibexa-Contracts-Share-Values-PermissionCheckContext.html} (84%)

Those two classes where removed in https://github.com/ibexa/admin-ui/pull/1631/files and added in ibexa/share#93

Author: adriendupuis

docs/release_notes/ibexa_dxp_v4.6.md

@@ -328,8 +328,8 @@ The new AI Assistant allows you to use the AI capabilities in additional places,
 
 The PHP API has been enhanced with the following new classes:
 
-- [`Ibexa\Contracts\AdminUi\Permission\PermissionCheckContextProviderInterface`](../api/php_api/php_api_reference/classes/Ibexa-Contracts-AdminUi-Permission-PermissionCheckContextProviderInterface.html)
-- [`Ibexa\Contracts\AdminUi\Values\PermissionCheckContext`](../api/php_api/php_api_reference/classes/Ibexa-Contracts-AdminUi-Values-PermissionCheckContext.html)
+- `Ibexa\Contracts\AdminUi\Permission\PermissionCheckContextProviderInterface`
+- `Ibexa\Contracts\AdminUi\Values\PermissionCheckContext`
 - [`Ibexa\Contracts\Checkout\Discounts\DataMapper\DiscountsDataMapperInterface`](../api/php_api/php_api_reference/classes/Ibexa-Contracts-Checkout-Discounts-DataMapper-DiscountsDataMapperInterface.html)
 - [`Ibexa\Contracts\Seo\Resolver\FieldValueResolverInterface`](../api/php_api/php_api_reference/classes/Ibexa-Contracts-Seo-Resolver-FieldValueResolverInterface.html)