Remove links to online projects from lesson pages. (#437)

docs/courses/csintro/algorithms/activity.md

@@ -210,7 +210,6 @@ input.onButtonPressed(Button.B, () => {
 basic.clearScreen()
 ```
 
-Here it is online: [**HappySadFace**](https://makecode.microbit.org/_52r8737R8d88)
 
 
 

docs/courses/csintro/conditionals/activity.md

@@ -19,11 +19,49 @@ Else display scissors icon.
 
 ## micro:bit
 * Working from the specifications, have students work in pairs to try to code a Rock Paper Scissors game on their own.
-* If students get stuck, there is a tutorial at https://pxt.microbit.org/projects/rock-paper-scissors (steps 1 through 4), that leads students step-by-step through the process of coding a working rock paper scissor game for their micro:bit.
+* If students get stuck, there is a tutorial at [rock, paper, scissors](/projects/rock-paper-scissors) (steps 1 through 4), that leads students step-by-step through the process of coding a working rock paper scissor game for their micro:bit.
 * Let them play the game against their program.
 
 ## Ideas for Mods
 * Add a way to keep score: Steps 5 through 7 in the tutorial
 * Mod the game to use different images or to add more options like ‘Rock Paper Scissors Lizard Spock’, Step 8 in the tutorial
 
-See the activity online: [**Rock, paper, scissors**](https://makecode.microbit.org/_A6Xbepc3w4uu)
+Here's an example mod:
+
+```blocks
+let hand = 0
+input.onGesture(Gesture.Shake, () => {
+    hand = Math.random(3)
+    if (hand == 0) {
+        basic.showLeds(`
+            # # # # #
+            # . . . #
+            # . . . #
+            # . . . #
+            # # # # #
+            `)
+    } else if (hand == 1) {
+        basic.showLeds(`
+            . . . . .
+            . # # # .
+            . # # # .
+            . # # # .
+            . . . . .
+            `)
+    } else {
+        basic.showLeds(`
+            # # . . #
+            # # . # .
+            . . # . .
+            # # . # .
+            # # . . #
+            `)
+    }
+})
+input.onButtonPressed(Button.A, () => {
+    game.addScore(1)
+    basic.pause(100)
+    basic.showString("Wins:")
+    basic.showNumber(game.score())
+})
+```

docs/courses/csintro/conditionals/project.md

@@ -62,8 +62,6 @@ input.onGesture(Gesture.Shake, () => {
 })
 ```
 
-See the [**BattleGame**](https://makecode.microbit.org/12149-80948-84778-40832) project online.
-
 ## Beta Testing
 
 Give students a chance to play each other’s games. The following process works well:
@@ -145,7 +143,6 @@ input.onButtonPressed(Button.A, () => {
 basic.showString("SPACE RACE")
 previous_roll = 0
 ```	
-See the [SpaceRace](https://makecode.microbit.org/65306-07188-65044-14657) game online.
 
 ## Assessment
 

docs/courses/csintro/making/walkthrough.md

@@ -32,9 +32,6 @@ basic.forever(() => {
 })
 ```
 
-See the [**MicroPet**](https://makecode.microbit.org/_38yJ1PAkuKPV) project online.
-https://makecode.microbit.org/_38yJ1PAkuKPV
-
 ## Tour of Microsoft MakeCode
 
 * **Simulator**	 - on the left side of the screen, you will see a virtual micro:bit that will show what your program will look like running on a micro:bit. This is helpful for debugging, and instant feedback on program execution.

docs/courses/csintro/radio/activity.md

@@ -56,7 +56,7 @@ radio.setGroup(1)
 
 ## Mods
 * Add a 'show leds' block to the 'on start' block. We created an image of the initials MP.
-* From the Music Toolbox drawer, drag 2 'play tone' blocks to the coding workspace.  See https://makecode.microbit.org/projects/hack-your-headphones for how to connect a speaker or headphones to the micro:bit.
+* From the Music Toolbox drawer, drag 2 'play tone' blocks to the coding workspace.  See [hack your headphones](/projects/hack-your-headphones) for how to connect a speaker or headphones to the micro:bit.
 * Drag one of the 'play tone' blocks to the 'on button A pressed' block, and the other one to the 'on button B pressed' block.
 * Change the default value in the 'play tone' block that is inside the 'on button A pressed' block to the value Low C.
 

docs/courses/csintro/variables/activity.md

@@ -199,7 +199,6 @@ PlayerAWins = 0
 PlayerBWins = 0
 PlayersTie = 0
 ```
-See the activity online: [**Scorekeeper**](https://makecode.microbit.org/47893-98679-98470-56344)
 
 ## Try it out!
 Download the Scorekeeper program to the micro:bit, and have the students play one last round of Rock Paper Scissors using their micro:bits to act as the Scorekeeper!