Remove unnecessary "extern crate" lines

The proc_macro ones have been unnecessary since Rust 1.42, and the
rest have been unnecessary since the 2018 edition.

1 files changed, 0 insertions, 6 deletions

diff --git a/resources/src/lib.rs b/resources/src/lib.rs
index a0c6c98..a6beceb 100644
--- a/resources/src/lib.rs
+++ b/resources/src/lib.rs
@@ -4,12 +4,6 @@
 
 //! Manages system resources that can be allocated to VMs and their devices.
 
-#[cfg(feature = "wl-dmabuf")]
-extern crate gpu_buffer;
-extern crate libc;
-extern crate msg_socket;
-extern crate sys_util;
-
 use msg_socket::MsgOnSocket;
 use std::fmt::Display;