Update README according to Translation in progress

Removing Brazilian-Portuguese from "Translations in progress", because the translation it's ready.

README.md

@@ -26,7 +26,6 @@ Translations in progress:
 - [Russian](https://github.com/jwasham/coding-interview-university/issues/87)
 - [Ukrainian](https://github.com/jwasham/coding-interview-university/issues/106)
 - [Korean(한국어)](https://github.com/jwasham/coding-interview-university/issues/118)
-- [Brazilian Portuguese](https://github.com/jwasham/coding-interview-university/issues/113)
 - [Telugu](https://github.com/jwasham/coding-interview-university/issues/117)
 - [Polish](https://github.com/jwasham/coding-interview-university/issues/122)
 - [Urdu](https://github.com/jwasham/coding-interview-university/issues/140)