purge undefined codeblocks

tkphd · tkphd · commit 3a1500eaa7f5 · 2021-02-24T09:51:58.000-05:00
diff --git a/bin/lesson_check.py b/bin/lesson_check.py
@@ -80,15 +80,12 @@
     'output',
     'source',
     'language-bash',
-    'html',
+    'language-html',
     'language-make',
     'language-matlab',
     'language-python',
     'language-r',
-    'language-shell',
-    'language-sql',
-    'bash',
-    'python'
+    'language-sql'
 }
 
 # What fields are required in teaching episode metadata?
