Unplug tutorial intros from step path (#584)

docs/tutorials/line-following.md

@@ -1,6 +1,6 @@
 # Line Following
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Make a program to follow a line using the Color sensor and reflected light. Let's test reflected light to see if it's white or black (on the line), and drive our robot accordingly. 
 

docs/tutorials/make-an-animation.md

@@ -1,6 +1,6 @@
 # Make a custom animation
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Create a custom animation for your @boardname@.
  

docs/tutorials/music-brick.md

@@ -1,6 +1,6 @@
 # Music Brick
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Transform your @boardname@ into a musical instrument!
 

docs/tutorials/object-near.md

@@ -1,6 +1,6 @@
 # Object Near?
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 The digital Ultrasonic Sensor generates sound waves and reads their echoes to detect and measure distance from objects in centimeters. Build a program that will detect when an object is nearby.
 

docs/tutorials/redlight-greenlight.md

@@ -1,6 +1,6 @@
 # Red Light, Green Light
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Use the ``||sensors:pause color sensor||`` block to play Red Light, Green Light with your @boardname@ robot! 
 

docs/tutorials/run-motors.md

@@ -1,6 +1,6 @@
 # Run motors
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Use the buttons to start and stop the large and medium motors.
  

docs/tutorials/security-alert.md

@@ -1,6 +1,6 @@
 # Security Alert
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 The Infrared Sensor uses infrared light waves to detect proximity to the robot. Build an security alert using the infrared sensor. 
  

docs/tutorials/touch-sensor-values.md

@@ -1,6 +1,6 @@
 # Using Touch Sensor Values
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Use the Touch sensor value to stop a running motor.
 

docs/tutorials/touch-to-run.md

@@ -1,6 +1,6 @@
 # Touch to Run
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Use the Touch sensor to run a motor.
 

docs/tutorials/wake-up.md

@@ -1,6 +1,6 @@
 # Wake Up!
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Show different moods on your @boardname@.
 

docs/tutorials/what-animal-am-i.md

@@ -1,6 +1,6 @@
 # What Animal Am I?
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Create different animal effects with your @boardname@.
 

docs/tutorials/what-color.md

@@ -1,6 +1,6 @@
 # What Color is it?
 
-## Introduction @fullscreen
+## Introduction @unplugged
 
 Use the Color sensor to detect different colors.