lintcheck: move out of clippy-dev into own crate

clippy_dev/src/main.rs

@@ -2,10 +2,6 @@
 
 use clap::{App, Arg, ArgMatches, SubCommand};
 use clippy_dev::{bless, fmt, new_lint, ra_setup, serve, stderr_length_check, update_lints};
-
-#[cfg(feature = "lintcheck")]
-use clippy_dev::lintcheck;
-
 fn main() {
     let matches = get_clap_config();
 
@@ -13,10 +9,6 @@ fn main() {
         ("bless", Some(matches)) => {
             bless::bless(matches.is_present("ignore-timestamp"));
         },
-        #[cfg(feature = "lintcheck")]
-        ("lintcheck", Some(matches)) => {
-            lintcheck::run(&matches);
-        },
         ("fmt", Some(matches)) => {
             fmt::run(matches.is_present("check"), matches.is_present("verbose"));
         },
@@ -53,34 +45,7 @@ fn main() {
 }
 
 fn get_clap_config<'a>() -> ArgMatches<'a> {
-    #[cfg(feature = "lintcheck")]
-    let lintcheck_sbcmd = SubCommand::with_name("lintcheck")
-        .about("run clippy on a set of crates and check output")
-        .arg(
-            Arg::with_name("only")
-                .takes_value(true)
-                .value_name("CRATE")
-                .long("only")
-                .help("only process a single crate of the list"),
-        )
-        .arg(
-            Arg::with_name("crates-toml")
-                .takes_value(true)
-                .value_name("CRATES-SOURCES-TOML-PATH")
-                .long("crates-toml")
-                .help("set the path for a crates.toml where lintcheck should read the sources from"),
-        )
-        .arg(
-            Arg::with_name("threads")
-                .takes_value(true)
-                .value_name("N")
-                .short("j")
-                .long("jobs")
-                .help("number of threads to use, 0 automatic choice"),
-        )
-        .arg(Arg::with_name("fix").help("runs cargo clippy --fix and checks if all suggestions apply"));
-
-    let app = App::new("Clippy developer tooling")
+    App::new("Clippy developer tooling")
         .subcommand(
             SubCommand::with_name("bless")
                 .about("bless the test output changes")
@@ -197,10 +162,6 @@ fn get_clap_config<'a>() -> ArgMatches<'a> {
                         .validator_os(serve::validate_port),
                 )
                 .arg(Arg::with_name("lint").help("Which lint's page to load initially (optional)")),
-        );
-
-    #[cfg(feature = "lintcheck")]
-    let app = app.subcommand(lintcheck_sbcmd);
-
-    app.get_matches()
+        )
+        .get_matches()
 }