Remove jsdump

CHANGES

@@ -14,6 +14,7 @@ Incompatible changes
 * #11363: Remove the Setuptools integration (``build_sphinx`` hook in
   ``setup.py``).
 * #11364: Remove deprecated ``sphinx.ext.napoleon.iterators`` module.
+* #11365: Remove support for the ``jsdump`` format in ``sphinx.search``.
 
 Deprecated
 ----------

sphinx/search/__init__.py

@@ -7,7 +7,6 @@
 import json
 import pickle
 import re
-import warnings
 from importlib import import_module
 from os import path
 from typing import (
@@ -31,7 +30,6 @@
 from docutils.nodes import Element, Node
 
 from sphinx import addnodes, package_dir
-from sphinx.deprecation import RemovedInSphinx70Warning
 from sphinx.environment import BuildEnvironment
 from sphinx.util import split_into
 
@@ -308,11 +306,7 @@ def __init__(self, env: BuildEnvironment, lang: str, options: dict, scoring: str
 
     def load(self, stream: IO, format: Any) -> None:
         """Reconstruct from frozen data."""
-        if format == "jsdump":
-            warnings.warn("format=jsdump is deprecated, use json instead",
-                          RemovedInSphinx70Warning, stacklevel=2)
-            format = self.formats["json"]
-        elif isinstance(format, str):
+        if isinstance(format, str):
             format = self.formats[format]
         frozen = format.load(stream)
         # if an old index is present, we treat it as not existing.
@@ -345,11 +339,7 @@ def load_terms(mapping: dict[str, Any]) -> dict[str, set[str]]:
 
     def dump(self, stream: IO, format: Any) -> None:
         """Dump the frozen index to a stream."""
-        if format == "jsdump":
-            warnings.warn("format=jsdump is deprecated, use json instead",
-                          RemovedInSphinx70Warning, stacklevel=2)
-            format = self.formats["json"]
-        elif isinstance(format, str):
+        if isinstance(format, str):
             format = self.formats[format]
         format.dump(self.freeze(), stream)