chore!: remove SearchApiWebSearch (moved to integrations) (#11612)

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

Author: julian-risch

MIGRATION.md

@@ -99,6 +99,7 @@ pip install <new-package>
 | `from haystack.components.routers import TransformersTextRouter` | `transformers-haystack` | `from haystack_integrations.components.routers.transformers import TransformersTextRouter` |
 | `from haystack.components.routers import TransformersZeroShotTextRouter` | `transformers-haystack` | `from haystack_integrations.components.routers.transformers import TransformersZeroShotTextRouter` |
 | `from haystack.components.websearch import SerperDevWebSearch` | `serperdev-haystack` | `from haystack_integrations.components.websearch.serperdev import SerperDevWebSearch` |
+| `from haystack.components.websearch import SearchApiWebSearch` | `searchapi-haystack` | `from haystack_integrations.components.websearch.searchapi import SearchApiWebSearch` |
 
 ### `TransformersSimilarityRanker` removed
 

haystack/components/websearch/__init__.py

@@ -0,0 +1,17 @@
+---
+upgrade:
+  - |
+    ``SearchApiWebSearch`` has been moved out of Haystack into the ``searchapi-haystack`` integration
+    package. Install the new package with ``pip install searchapi-haystack`` and update your imports.
+
+    Before:
+
+    .. code:: python
+
+      from haystack.components.websearch import SearchApiWebSearch
+
+    After:
+
+    .. code:: python
+
+      from haystack_integrations.components.websearch.searchapi import SearchApiWebSearch