removing videos from docs

docs/lessons/game-counter/activity.md

@@ -1,13 +1,5 @@
 # game counter activity
 
-Turn an LED on and off with forever loop
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-### ~avatar avatar
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-### @video td/videos/counter-0
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-### ~
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 Have you ever tried to create a game counter? The concept is fairly simply: increase the game `score` with `on button pressed` .
 
 Let's start by adding `on button (A) pressed` will run each time the user presses A. Let's add a line of code that increments `score` by `1`.

docs/lessons/game-counter/challenges.md

@@ -15,8 +15,6 @@ input.onButtonPressed(Button.A, () => {
 
 ### Challenge 1
 
-### @video td/videos/counter-1-2
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 Let's add the code to `score` when `B` is pressed. Add an event handler with `on button (B) pressed` then add the code to `score`.