Remove latex scraper

We don't build latex docs currently, it is interfering with sphinx gallery for pickle reasons. In upstream mpl, we moved it to the local sphinxext module. I am not interested in porting that here for something that is not used yet.

Author: ksunden

Diff for: docs/source/conf.py

@@ -66,21 +66,6 @@
 
 # Sphinx gallery configuration
 
-
-def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf, **kwargs):
-    """
-    Reduce srcset when creating a PDF.
-
-    Because sphinx-gallery runs *very* early, we cannot modify this even in the
-    earliest builder-inited signal. Thus we do it at scraping time.
-    """
-    from sphinx_gallery.scrapers import matplotlib_scraper
-
-    if gallery_conf["builder_name"] == "latex":
-        gallery_conf["image_srcset"] = []
-    return matplotlib_scraper(block, block_vars, gallery_conf, **kwargs)
-
-
 sphinx_gallery_conf = {
     "examples_dirs": [
         "../../examples",
@@ -95,7 +80,6 @@ def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf, **kwargs):
     "remove_config_comments": True,
     "min_reported_time": 1,
     "thumbnail_size": (320, 224),
-    "image_scrapers": (matplotlib_reduced_latex_scraper,),
     # Compression is a significant effort that we skip for local and CI builds.
     "compress_images": ("thumbnails", "images") if is_release_build else (),
     "matplotlib_animations": True,