Resolve #3482714 "Add ability to"

Closes #3482714

src/Form/EntityUsageUpdateForm.php

@@ -104,6 +104,12 @@ class EntityUsageUpdateForm extends FormBase {
       '#type' => 'submit',
       '#value' => $this->t("Update"),
     ];
+    $form['actions']['remove'] = [
+      '#type' => 'submit',
+      '#value' => $this->t("Remove"),
+      '#submit' => [[$this, 'removeUsages']],
+      '#limit_validation_errors' => [['entity_type_id'], ['old_entity_id']],
+    ];
 
     return $form;
   }
@@ -152,4 +158,16 @@ class EntityUsageUpdateForm extends FormBase {
     ]);
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function removeUsages(array &$form, FormStateInterface $form_state): void {
+    $entity_type_id = $form_state->getValue('entity_type_id');
+    $this->entityUsageUpdater->remove([
+      $entity_type_id => [
+        $form_state->getValue('old_entity_id'),
+      ],
+    ]);
+  }
+
 }