Remove extern crate declarations from doctests

openssl/src/envelope.rs

@@ -3,9 +3,6 @@
 //! # Example
 //!
 //! ```rust
-//!
-//! extern crate openssl;
-//!
 //! use openssl::rsa::Rsa;
 //! use openssl::envelope::Seal;
 //! use openssl::pkey::PKey;

openssl/src/pkey.rs

@@ -29,9 +29,6 @@
 //! Generate a 2048-bit RSA public/private key pair and print the public key.
 //!
 //! ```rust
-//!
-//! extern crate openssl;
-//!
 //! use openssl::rsa::Rsa;
 //! use openssl::pkey::PKey;
 //! use std::str;

openssl/src/rsa.rs

@@ -16,9 +16,6 @@
 //! Generate a 2048-bit RSA key pair and use the public key to encrypt some data.
 //!
 //! ```rust
-//!
-//! extern crate openssl;
-//!
 //! use openssl::rsa::{Rsa, Padding};
 //!
 //! fn main() {

openssl/src/sha.rs

@@ -14,9 +14,6 @@
 //! you can create a hasher that you can repeatedly update to add bytes to.
 //!
 //! ```rust
-//! extern crate openssl;
-//! extern crate hex;
-//!
 //! use openssl::sha;
 //!
 //! fn main() {
@@ -35,9 +32,6 @@
 //! to the algorithm you want to use.
 //!
 //! ```rust
-//! extern crate openssl;
-//! extern crate hex;
-//!
 //! use openssl::sha::sha256;
 //!
 //! fn main() {

openssl/src/x509/extension.rs

@@ -8,8 +8,6 @@
 //! # Example
 //!
 //! ```rust
-//! extern crate openssl;
-//!
 //! use openssl::x509::extension::BasicConstraints;
 //! use openssl::x509::X509Extension;
 //!

openssl/src/x509/store.rs

@@ -6,9 +6,6 @@
 //! # Example
 //!
 //! ```rust
-//!
-//! extern crate openssl;
-//!
 //! use openssl::x509::store::{X509StoreBuilder, X509Store};
 //! use openssl::x509::{X509, X509Name};
 //! use openssl::pkey::PKey;