Merge pull request #45 from phocks/patch-1

extern crate no longer needed

README.md

@@ -21,19 +21,11 @@ or run:
 cargo add ferris-says
 ```
 
-Then import the crate with:
-
-```rust
-extern crate ferris_says;
-```
-
 ### Example
 
 The following bit of code will write the byte string to STDOUT
 
 ```rust
-extern crate ferris_says;
-
 use ferris_says::say;
 use std::io::{ stdout, BufWriter };