fix: hide deprecated commands from cargo --list

This includes

* `git-checkout` (removed)
* `read-manifest` (deprecated)
* `verify-project` (deprecated)

src/bin/cargo/commands/git_checkout.rs

@@ -1,3 +1,5 @@
+//! Removed.
+
 use crate::command_prelude::*;
 
 const REMOVED: &str = "The `git-checkout` command has been removed.";

src/bin/cargo/commands/read_manifest.rs

@@ -1,7 +1,10 @@
+//! Deprecated.
+
 use crate::command_prelude::*;
 
 pub fn cli() -> Command {
     subcommand("read-manifest")
+        .hide(true)
         .about(color_print::cstr!(
             "\
 Print a JSON representation of a Cargo.toml manifest.

src/bin/cargo/commands/verify_project.rs

@@ -1,10 +1,13 @@
+//! Deprecated.
+
 use crate::command_prelude::*;
 
 use std::collections::HashMap;
 use std::process;
 
 pub fn cli() -> Command {
     subcommand("verify-project")
+        .hide(true)
         .about(
             "\
 Check correctness of crate manifest.

src/bin/cargo/main.rs

@@ -211,6 +211,9 @@ fn list_commands(gctx: &GlobalContext) -> BTreeMap<String, CommandInfo> {
     }
 
     for cmd in commands::builtin() {
+        if cmd.is_hide_set() {
+            continue;
+        }
         commands.insert(
             cmd.get_name().to_string(),
             CommandInfo::BuiltIn {

tests/testsuite/cargo_command.rs

@@ -35,8 +35,6 @@ fn list_commands_with_descriptions() {
     c                    alias: check
 ...
     r                    alias: run
-...
-    read-manifest        Print a JSON representation of a Cargo.toml manifest.
 ...
     t                    alias: test
 ...