remove the last of the extern crate lines

termwiz/examples/buffered_terminal.rs

@@ -2,9 +2,6 @@
 //! up changes and then flush them.  `BufferedTerminal` enables
 //! optimizing the output sequence to update the screen, which is
 //! important on links with poor connectivity.
-extern crate failure;
-extern crate termwiz;
-
 use failure::Error;
 use termwiz::caps::Capabilities;
 use termwiz::cell::AttributeChange;

termwiz/examples/hello.rs

@@ -1,6 +1,3 @@
-extern crate failure;
-extern crate termwiz;
-
 use failure::Error;
 use termwiz::caps::Capabilities;
 use termwiz::cell::AttributeChange;

termwiz/examples/key_tester.rs

@@ -1,6 +1,3 @@
-extern crate failure;
-extern crate termwiz;
-
 use failure::Error;
 use termwiz::caps::Capabilities;
 use termwiz::input::{InputEvent, KeyCode, KeyEvent, Modifiers};

termwiz/examples/terminal_direct.rs

@@ -4,8 +4,6 @@
 //! Consider using the `Surface` struct to enable optimization;
 //! the `buffered_terminal.rs` example demonstrates a simple
 //! way to enable optimizations.
-extern crate failure;
-extern crate termwiz;
 
 use failure::Error;
 use termwiz::caps::Capabilities;

termwiz/examples/widgets_basic.rs

@@ -1,8 +1,5 @@
 //! This example shows how to make a basic widget that accumulates
 //! text input and renders it to the screen
-extern crate failure;
-extern crate termwiz;
-
 use failure::Error;
 use termwiz::caps::Capabilities;
 use termwiz::cell::AttributeChange;