(Reddit) Earlier this week, we posted a story about a restaurant customer who not only chose to deny the waitress a tip, but also wrote “I Give God 10% Why do you Get 18?†on the receipt. Now we’ve learned that the server who posted the receipt online has been fired.  “I originally posted the note as a lighthearted joke,†says Chelsea, who was dismissed from her job at Applebee’s on Wednesday, as the story began to spread across the Internet. “I thought the note was insulting, but it was also comical. I posted it to Reddit because...