Remove redundant 'set' subcommand

Signed-off-by: Daniel Silverstone <[email protected]>

Author: kinnison

src/cli/rustup_mode.rs

@@ -523,26 +523,6 @@ pub fn cli() -> App<'static, 'static> {
         .collect::<Vec<_>>();
 
     app.subcommand(
-        SubCommand::with_name("set")
-            .about("Alter rustup settings")
-            .setting(AppSettings::SubcommandRequiredElseHelp)
-            .subcommand(
-                SubCommand::with_name("default-host")
-                    .about("The triple used to identify toolchains when not specified")
-                    .arg(Arg::with_name("host_triple").required(true)),
-            )
-            .subcommand(
-                SubCommand::with_name("profile")
-                    .about("The default components installed")
-                    .arg(
-                        Arg::with_name("profile-name")
-                            .required(true)
-                            .possible_values(Profile::names())
-                            .default_value(Profile::default_name()),
-                    ),
-            ),
-    )
-    .subcommand(
         SubCommand::with_name("completions")
             .about("Generate completion scripts for your shell")
             .after_help(COMPLETIONS_HELP)