drop BackgroundableDataProvider

GitOrigin-RevId: 97284b0ae7f0d090cb6e1656a23fdd9261202fee

platform/editor-ui-api/api-dump.txt

@@ -1265,10 +1265,6 @@ c:com.intellij.openapi.actionSystem.AnActionEventVisitor
 f:com.intellij.openapi.actionSystem.AnActionResult
 - isIgnored():Z
 - isPerformed():Z
-com.intellij.openapi.actionSystem.BackgroundableDataProvider
-- com.intellij.openapi.actionSystem.DataProvider
-- a:createBackgroundDataProvider():com.intellij.openapi.actionSystem.DataProvider
-- getData(java.lang.String):java.lang.Object
 c:com.intellij.openapi.actionSystem.CommonDataKeys
 - sf:CARET:com.intellij.openapi.actionSystem.DataKey
 - sf:EDITOR:com.intellij.openapi.actionSystem.DataKey

platform/editor-ui-api/src/com/intellij/openapi/actionSystem/BackgroundableDataProvider.java

@@ -1,23 +0,0 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.openapi.actionSystem;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/** @deprecated Use {@link PlatformCoreDataKeys#BGT_DATA_PROVIDER} instead */
-@Deprecated(forRemoval = true)
-public interface BackgroundableDataProvider extends DataProvider {
-
-  /**
-   * Called on UI thread, should be fast: just get the information from Swing components needed to create the actual asynchronous data provider.
-   * @return a data provider that might be called in a background thread (so shouldn't access any Swing hierarchy).
-   */
-  @Nullable
-  DataProvider createBackgroundDataProvider();
-
-  @Override
-  default @Nullable Object getData(@NotNull String dataId) {
-    DataProvider async = createBackgroundDataProvider();
-    return async == null ? null : async.getData(dataId);
-  }
-}

platform/ide-core-impl/src/com/intellij/ide/impl/DataManagerImpl.java

@@ -146,11 +146,6 @@ public class DataManagerImpl extends DataManager {
     else if (component instanceof JComponent) {
       dataProvider = getDataProvider((JComponent)component);
     }
-
-    if (dataProvider instanceof BackgroundableDataProvider) {
-      dataProvider = ((BackgroundableDataProvider)dataProvider).createBackgroundDataProvider();
-    }
-
     return dataProvider;
   }