Corrected the Twitter handle for Rep. John Sarbanes

His official site links to @RepSarbanes (a confirmed account) here:
http://sarbanes.house.gov/frontpage

...though @RepJohnSarbanes (an account by the name of "Big Prosperity" and the bio saying "Getting a Break from Social since i'm Making $350 for each day earning a living live on the internet from home. My personal goals in the end grew reality.") is linked on his official site here:
http://sarbanes.house.gov/about-john

I propose making this file change to boldly cause /congress-legislators to be less sloppy than legislators in Congress.
Merge pull request #221 from nickom/patch-3

Corrected the Twitter handle for Rep. John Sarbanes

I think this will be a no-op due to aeeb1a7ee944d5ce42391345eb0d7cfa795a798e.