Mysterious red marks on Donald Trump’s hands set the internet ablaze with wild theories on Wednesday as he waved to the camera when he left his New York residence to head to court where E. Jean Carroll testified in her second federal civil trial against him. Some speculated the embattled GOP frontrunner had a skin condition or secret ailment, while others thought the blotches were from a curling iron burn or leftover ketchup. Hours later, however, he surfaced from court with his hand looking normal, which left many scratching their heads. RadarOnline.com has since learned the photo now has a s…