moving turtle examples

docs/examples/turtle-scanner.md

@@ -1,23 +0,0 @@
-# Turtle Scanner
-
-The turtle scans the display over and over again.
-
-```blocks
-turtle.setPosition(0, 0)
-turtle.turnRight()
-turtle.setSpeed(20)
-basic.forever(() => {
-    turtle.forward(4)
-    turtle.turnRight()
-    turtle.forward(1)
-    turtle.turnRight()
-    turtle.forward(4)
-    turtle.turnLeft()
-    turtle.forward(1)
-    turtle.turnLeft()
-})
-```
-
-```package
-microturtle=github:Microsoft/pxt-microturtle#master
-```

docs/examples/turtle-spiral.md

@@ -1,23 +0,0 @@
-# Turtle Spiral
-
-A turtle that spirals into the center of the display and back out again.
-
-```blocks
-let index = 0
-turtle.setPosition(0, 0)
-turtle.turnRight()
-basic.forever(() => {
-    for (let index = 0; index <= 4; index++) {
-        turtle.forward(4 - index)
-        turtle.turnRight()
-    }
-    for (let index = 0; index <= 4; index++) {
-        turtle.turnLeft()
-        turtle.back(index)
-    }
-})
-```
-
-```package
-microturtle=github:Microsoft/pxt-microturtle#master
-```

docs/examples/turtle-square.md

@@ -1,17 +0,0 @@
-# Turtle Square
-
-A turtle that traces a square pattern.
-
-```blocks
-turtle.setPosition(0, 0)
-turtle.turnRight()
-turtle.setSpeed(29)
-basic.forever(() => {
-    turtle.forward(4)
-    turtle.turnRight()
-})
-```
-
-```package
-microturtle=github:Microsoft/pxt-microturtle#master
-```