moving out outdated js docs

olddocs/js/lessons/hack-your-headphones.md

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+# hack your headphones lesson
+
+display beautiful images on the BBC micro:bit.
+
+## Topic
+
+Hack your headphone
+
+## Quick Links
+
+* [activity](/lessons/hack-your-headphones/activity)
+
+## Class
+
+Year 7
+
+## Prior learning/place of lesson in scheme of work
+
+Learn how to convert your BBC micro:bit into a music player using pins P0 and GND, headphones (or speakers), as well as crocodile clips (or spring clips).
+
+## Objectives
+
+* learn how to setup the BBC micro:bit with headphones to play music
+