Remove check for all_figures.html now that we are using Javascript

bin/lesson_check.py

@@ -31,7 +31,6 @@ REQUIRED_FILES = {
     '%/LICENSE.md': True,
     '%/README.md': False,
     '%/_extras/discuss.md': True,
-    '%/_extras/figures.md': True,
     '%/_extras/guide.md': True,
     '%/index.md': True,
     '%/reference.md': True,
@@ -116,7 +115,6 @@ def main():
     for filename in docs.keys():
         checker = create_checker(args, filename, docs[filename])
         checker.check()
-    check_figures(args.source_dir, args.reporter)
 
     args.reporter.report()
 
@@ -257,38 +255,6 @@ def check_fileset(source_dir, reporter, filenames_present):
                    seen)
 
 
-def check_figures(source_dir, reporter):
-    """Check that all figures are present and referenced."""
-
-    # Get references.
-    try:
-        all_figures_html = os.path.join(source_dir, '_includes', 'all_figures.html')
-        with open(all_figures_html, 'r') as reader:
-            text = reader.read()
-        figures = P_FIGURE_REFS.findall(text)
-        referenced = [os.path.split(f)[1] for f in figures if '/fig/' in f]
-    except FileNotFoundError as e:
-        reporter.add(all_figures_html,
-                     'File not found')
-        return
-
-    # Get actual image files (ignore non-image files).
-    fig_dir_path = os.path.join(source_dir, 'fig')
-    actual = [f for f in os.listdir(fig_dir_path) if os.path.splitext(f)[1] in IMAGE_FILE_SUFFIX]
-
-    # Report differences.
-    unexpected = set(actual) - set(referenced)
-    reporter.check(not unexpected,
-                   None,
-                   'Unexpected image files: {0}',
-                   ', '.join(sorted(unexpected)))
-    missing = set(referenced) - set(actual)
-    reporter.check(not missing,
-                   None,
-                   'Missing image files: {0}',
-                   ', '.join(sorted(missing)))
-
-
 def create_checker(args, filename, info):
     """Create appropriate checker for file."""