That's awesome how you removed the text. How did you do that?
Not sure this is how he did it, but notice how at certain parts of the clip there isn't any text? Marquee that off, copy and paste it and make the layer visible throughout the whole .gif. The guy is using a tripod, so there isn't any camera movement which helps with this.
Like I said, this may not be how GOP did it, just a guess.