Various cleanup tasks

* Remove old `extern crate` stmts
* Remove rust-skeptic
* Clean up Cargo.toml

examples/follow_profile.rs

@@ -1,8 +1,5 @@
 #![cfg_attr(not(feature = "toml"), allow(dead_code))]
 #![cfg_attr(not(feature = "toml"), allow(unused_imports))]
-#[macro_use]
-extern crate pretty_env_logger;
-extern crate elefren;
 mod register;
 
 use crate::register::MastodonClient;

examples/follows_me.rs

@@ -1,8 +1,5 @@
 #![cfg_attr(not(feature = "toml"), allow(dead_code))]
 #![cfg_attr(not(feature = "toml"), allow(unused_imports))]
-#[macro_use]
-extern crate pretty_env_logger;
-extern crate elefren;
 mod register;
 
 use crate::register::MastodonClient;

examples/home_timeline.rs

@@ -1,8 +1,5 @@
 #![cfg_attr(not(feature = "toml"), allow(dead_code))]
 #![cfg_attr(not(feature = "toml"), allow(unused_imports))]
-#[macro_use]
-extern crate pretty_env_logger;
-extern crate elefren;
 mod register;
 
 use crate::register::MastodonClient;

examples/print_your_profile.rs

@@ -1,8 +1,5 @@
 #![cfg_attr(not(feature = "toml"), allow(dead_code))]
 #![cfg_attr(not(feature = "toml"), allow(unused_imports))]
-#[macro_use]
-extern crate pretty_env_logger;
-extern crate elefren;
 mod register;
 
 use crate::register::MastodonClient;

examples/search.rs

@@ -1,8 +1,5 @@
 #![cfg_attr(not(feature = "toml"), allow(dead_code))]
 #![cfg_attr(not(feature = "toml"), allow(unused_imports))]
-#[macro_use]
-extern crate pretty_env_logger;
-extern crate elefren;
 mod register;
 
 use crate::register::MastodonClient;

examples/upload_photo.rs

@@ -1,8 +1,5 @@
 #![cfg_attr(not(feature = "toml"), allow(dead_code))]
 #![cfg_attr(not(feature = "toml"), allow(unused_imports))]
-#[macro_use]
-extern crate pretty_env_logger;
-extern crate elefren;
 mod register;
 
 use crate::register::MastodonClient;