Remove deprecated keyword "context" from Conditions

[mjordan]

This is related to #1241.

As @whikloj points out over at #164 (review), annotations for Context Conditions that contain the context keyword, like this:

* @Condition(
 *   id = "parent_node_has_term",
 *   label = @Translation("Parent node for media has term"),
 *   context = {
 *     "media" = @ContextDefinition("entity:media", required = TRUE , label = @Translation("media"))
 *   }
 * )

should be updated to use context_definitions https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Condition!Annotation!Condition.php/property/Condition%3A%3Acontext/8.7.x. So the changed keyword would look like this:

* @Condition(
 *   id = "parent_node_has_term",
 *   label = @Translation("Parent node for media has term"),
 *   context_definitions= {
 *     "media" = @ContextDefinition("entity:media", required = TRUE , label = @Translation("media"))
 *   }
 * )

These Conditions include (files are all in islandora/src/Plugin/Condition/):

• ContentEntityType.php
• EntityBundle.php
• FileUsesFilesystem.php
• MediaHasTerm.php
• MediaUsesFilesystem.php
• NodeHadNamespace.php
• NodeHasParent.php
• NodeHasTerm.php
• NodeIsPublished.php
• ParentNodeHasTerm.php

This should be an easy PR for someone since the change is just one keyword per class file, and the test process could just be to make sure the Conditions are still showing up in the list of Conditions presented to the user.

[dannylamb]

PR up for this one ^^

[seth-shaw-unlv]

Resolved with Islandora/islandora@e9bea0d