Remove jQuery and jQuery UI.

It's now unused, except specfically in the IPython inline figure HTML,
but we know it's available there.

.gitignore

@@ -102,7 +102,5 @@ lib/z.lib
 
 # Vendored dependencies #
 #########################
-
-jquery-ui-*/
 lib/matplotlib/backends/web_backend/node_modules/
 lib/matplotlib/backends/web_backend/package-lock.json

examples/user_interfaces/embedding_webagg_sgskip.py

@@ -60,9 +60,6 @@ def create_figure():
           type="text/css" />
     <link rel="stylesheet" href="_static/css/fbm.css" type="text/css" />
     <link rel="stylesheet" href="_static/css/mpl.css" type="text/css">
-    <link rel="stylesheet" href="_static/jquery-ui-1.12.1/jquery-ui.min.css" />
-    <script src="_static/jquery-ui-1.12.1/external/jquery/jquery.js"></script>
-    <script src="_static/jquery-ui-1.12.1/jquery-ui.min.js"></script>
     <script src="mpl.js"></script>
 
     <script>

lib/matplotlib/backends/web_backend/all_figures.html

@@ -4,9 +4,6 @@
     <link rel="stylesheet" href="{{ prefix }}/_static/css/boilerplate.css" type="text/css" />
     <link rel="stylesheet" href="{{ prefix }}/_static/css/fbm.css" type="text/css" />
     <link rel="stylesheet" href="{{ prefix }}/_static/css/mpl.css" type="text/css">
-    <link rel="stylesheet" href="{{ prefix }}/_static/jquery-ui-1.12.1/jquery-ui.min.css" >
-    <script src="{{ prefix }}/_static/jquery-ui-1.12.1/external/jquery/jquery.js"></script>
-    <script src="{{ prefix }}/_static/jquery-ui-1.12.1/jquery-ui.min.js"></script>
     <script src="{{ prefix }}/_static/js/mpl_tornado.js"></script>
     <script src="{{ prefix }}/js/mpl.js"></script>
 

lib/matplotlib/backends/web_backend/single_figure.html

@@ -4,9 +4,6 @@
     <link rel="stylesheet" href="{{ prefix }}/_static/css/boilerplate.css" type="text/css" />
     <link rel="stylesheet" href="{{ prefix }}/_static/css/fbm.css" type="text/css" />
     <link rel="stylesheet" href="{{ prefix }}/_static/css/mpl.css" type="text/css">
-    <link rel="stylesheet" href="{{ prefix }}/_static/jquery-ui-1.12.1/jquery-ui.min.css" >
-    <script src="{{ prefix }}/_static/jquery-ui-1.12.1/external/jquery/jquery.js"></script>
-    <script src="{{ prefix }}/_static/jquery-ui-1.12.1/jquery-ui.min.js"></script>
     <script src="{{ prefix }}/_static/js/mpl_tornado.js"></script>
     <script src="{{ prefix }}/js/mpl.js"></script>
     <script>

setup.py

@@ -21,13 +21,9 @@
     sys.exit(error)
 
 from pathlib import Path
-import shutil
-from zipfile import ZipFile
 
 from setuptools import setup, find_packages, Extension
 from setuptools.command.build_ext import build_ext as BuildExtCommand
-from setuptools.command.develop import develop as DevelopCommand
-from setuptools.command.install_lib import install_lib as InstallLibCommand
 from setuptools.command.test import test as TestCommand
 
 # The setuptools version of sdist adds a setup.cfg file to the tree.
@@ -43,7 +39,7 @@
 from distutils.dist import Distribution
 
 import setupext
-from setupext import print_raw, print_status, download_or_cache
+from setupext import print_raw, print_status
 
 # Get the version from versioneer
 import versioneer
@@ -94,57 +90,6 @@ def build_extensions(self):
 cmdclass['build_ext'] = BuildExtraLibraries
 
 
-def _download_jquery_to(dest):
-    # Note: When bumping the jquery-ui version, also update the versions in
-    # single_figure.html and all_figures.html.
-    url = "https://jqueryui.com/resources/download/jquery-ui-1.12.1.zip"
-    sha = "f8233674366ab36b2c34c577ec77a3d70cac75d2e387d8587f3836345c0f624d"
-    name = Path(url).stem
-    if (dest / name).exists():
-        return
-    # If we are installing from an sdist, use the already downloaded jquery-ui.
-    sdist_src = Path("lib/matplotlib/backends/web_backend", name)
-    if sdist_src.exists():
-        shutil.copytree(sdist_src, dest / name)
-        return
-    if not (dest / name).exists():
-        dest.mkdir(parents=True, exist_ok=True)
-        try:
-            buff = download_or_cache(url, sha)
-        except Exception:
-            raise IOError(f"Failed to download jquery-ui.  Please download "
-                          f"{url} and extract it to {dest}.")
-        with ZipFile(buff) as zf:
-            zf.extractall(dest)
-
-
-# Relying on versioneer's implementation detail.
-class sdist_with_jquery(cmdclass['sdist']):
-    def make_release_tree(self, base_dir, files):
-        super().make_release_tree(base_dir, files)
-        _download_jquery_to(
-            Path(base_dir, "lib/matplotlib/backends/web_backend/"))
-
-
-# Affects install and bdist_wheel.
-class install_lib_with_jquery(InstallLibCommand):
-    def run(self):
-        super().run()
-        _download_jquery_to(
-            Path(self.install_dir, "matplotlib/backends/web_backend/"))
-
-
-class develop_with_jquery(DevelopCommand):
-    def run(self):
-        super().run()
-        _download_jquery_to(Path("lib/matplotlib/backends/web_backend/"))
-
-
-cmdclass['sdist'] = sdist_with_jquery
-cmdclass['install_lib'] = install_lib_with_jquery
-cmdclass['develop'] = develop_with_jquery
-
-
 # One doesn't normally see `if __name__ == '__main__'` blocks in a setup.py,
 # however, this is needed on Windows to avoid creating infinite subprocesses
 # when using multiprocessing.