Revert "Blockly simulator."
Revert "Blockly simulator."

This reverts commit 26d6c9f706da3fa0621728f5c0908821d1f72f7c.

SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,Aksoom-Hussain/TouchDevelop,sedouard/TouchDevelop,imadityab/FSE-2012-TouchDevelop-old,jmptrader/TouchDevelop,imadityab/FSE-2012-TouchDevelop-old,jmptrader/TouchDevelop,UIKit0/TouchDevelop,jmptrader/TouchDevelop,jle33/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,jle33/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,sedouard/TouchDevelop,MetSystem/TouchDevelop,imadityab/FSE-2012-TouchDevelop-old,ntoll/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,UIKit0/TouchDevelop,ntoll/TouchDevelop,CodeKingdomsTeam/TouchDevelop,UIKit0/TouchDevelop,sedouard/TouchDevelop,CodeKingdomsTeam/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,jmptrader/TouchDevelop,jle33/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,Aksoom-Hussain/TouchDevelop,CodeKingdomsTeam/TouchDevelop,jle33/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,MetSystem/TouchDevelop,ntoll/TouchDevelop,MetSystem/TouchDevelop,jle33/TouchDevelop,CodeKingdomsTeam/TouchDevelop,Aksoom-Hussain/TouchDevelop,imadityab/FSE-2012-TouchDevelop-old