Remove unused dependencies

This patch removes all dependencies that are no longer required since
the hidapi communication is replaced by libnitrokey.

Delete subrepo hid/:hid
Delete subrepo hidapi-sys/:hidapi-sys
Delete subrepo pkg-config/:pkg-config

1 files changed, 0 insertions, 73 deletions

diff --git a/pkg-config/README.md b/pkg-config/README.md
deleted file mode 100644
index cb9ebd5..0000000
--- a/pkg-config/README.md
+++ /dev/null
@@ -1,73 +0,0 @@
-# pkg-config-rs
-
-[![Build Status](https://travis-ci.org/alexcrichton/pkg-config-rs.svg?branch=master)](https://travis-ci.org/alexcrichton/pkg-config-rs)
-[![Rust](https://img.shields.io/badge/rust-1.13%2B-blue.svg?maxAge=3600)](https://github.com/alexcrichton/pkg-config-rs/)
-
-[Documentation](https://docs.rs/pkg-config)
-
-A simple library meant to be used as a build dependency with Cargo packages in
-order to use the system `pkg-config` tool (if available) to determine where a
-library is located.
-
-You can use this crate directly to probe for specific libraries, or use
-[metadeps](https://github.com/joshtriplett/metadeps) to declare all your
-`pkg-config` dependencies in `Cargo.toml`.
-
-This library requires Rust 1.13+.
-
-# Example
-
-Find the system library named `foo`, with minimum version 1.2.3:
-
-```rust
-extern crate pkg_config;
-
-fn main() {
-    pkg_config::Config::new().atleast_version("1.2.3").probe("foo").unwrap();
-}
-```
-
-Find the system library named `foo`, with no version requirement (not
-recommended):
-
-```rust
-extern crate pkg_config;
-
-fn main() {
-    pkg_config::probe_library("foo").unwrap();
-}
-```
-
-# External configuration via target-scoped environment variables
-
-In cross-compilation context, it is useful to manage separately PKG_CONFIG_PATH
-and a few other variables for the `host` and the `target` platform.
-
-The supported variables are: `PKG_CONFIG_PATH`, `PKG_CONFIG_LIBDIR`, and
-`PKG_CONFIG_SYSROOT_DIR`.
-
-Each of these variables can also be supplied with certain prefixes and suffixes, in the following prioritized order:
-
-1. `<var>_<target>` - for example, `PKG_CONFIG_PATH_x86_64-unknown-linux-gnu`
-2. `<var>_<target_with_underscores>` - for example, `PKG_CONFIG_PATH_x86_64_unknown_linux_gnu`
-3. `<build-kind>_<var>` - for example, `HOST_PKG_CONFIG_PATH` or `TARGET_PKG_CONFIG_PATH`
-4. `<var>` - a plain `PKG_CONFIG_PATH`
-
-Also note that `PKG_CONFIG_ALLOW_CROSS` must always be set in cross-compilation context.
-
-# License
-
-This project is licensed under either of
-
- * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
-   http://www.apache.org/licenses/LICENSE-2.0)
- * MIT license ([LICENSE-MIT](LICENSE-MIT) or
-   http://opensource.org/licenses/MIT)
-
-at your option.
-
-### Contribution
-
-Unless you explicitly state otherwise, any contribution intentionally submitted
-for inclusion in Serde by you, as defined in the Apache-2.0 license, shall be
-dual licensed as above, without any additional terms or conditions.