Demo Bug Fix 0.9.69

Another small bug fix push

Changelog:

• Removed social links
  
• Changed hitman mutator name and tie color
  
• Fixed missing underpipes section pipe collision
  
• Fixed mirror lower bug after pause during the intro animation
  
• Fixed darkness mutator not making the environment very dark (was clashing with options/graphics setting)
  
• Reduced the threshold for mirror open time for mirror open tip
  
• Updated bumb gun texture and added emission
  

- wolderado