chore: remove old parser

tools/challenge-parser/parser/__fixtures__/with-video-question.md

@@ -0,0 +1,43 @@
+# --description--
+
+Paragraph 1
+
+```html
+code example
+```
+
+# --instructions--
+
+Paragraph 0
+
+```html
+code example 0
+```
+
+# --question--
+
+## --text--
+
+Question line 1
+
+```js
+  var x = 'y';
+```
+
+## --answers--
+
+Some inline `code`
+
+---
+
+Some *italics*
+
+A second answer paragraph.
+
+---
+
+<code> code in </code> code tags
+
+## --video-solution--
+
+3