Remove the unstage command

Remove the unstage command because it is simply a proxy command and
doesn't provide any real value. Plus it add noise to the command surface
area making it more overwhelming for new users.

[changelog]
removed: the unstage command

<!-- ps-id: 01672bec-62a4-4f7e-9e31-408674fe8c74 -->

src/cli.rs

@@ -88,12 +88,6 @@ pub struct AmendPatchOpts {
     pub no_edit: bool,
 }
 
-#[derive(Debug, Args)]
-pub struct UnstageCmdOpts {
-    /// specific files to unstage changes for, leave blank for all staged files
-    pub files: Vec<String>,
-}
-
 #[derive(Debug, Args)]
 pub struct BackupStackCmdOpts {
     pub branch_name: String,
@@ -277,9 +271,6 @@ stack.
     /// display a log of integrated patches
     Log,
 
-    /// unstage currently staged changes
-    Unstage(UnstageCmdOpts),
-
     /// (f) - Fetch state from remote and display upstream patches
     #[command(name = "fetch", alias = "f")]
     Fetch,

src/commands/mod.rs

@@ -22,5 +22,4 @@ pub mod request_review_branch;
 pub mod show;
 pub mod status;
 pub mod sync;
-pub mod unstage;
 pub mod utils;

src/lib.rs

@@ -23,6 +23,5 @@ pub use ps::public::request_review_branch::{request_review_branch, RequestReview
 pub use ps::public::show::show;
 pub use ps::public::status::status;
 pub use ps::public::sync::{sync, SyncError};
-pub use ps::public::unstage::unstage;
 pub use ps::public::upstream_patches::upstream_patches;
 pub use ps::public::verify_isolation::{verify_isolation, VerifyIsolationError};

src/main.rs

@@ -62,7 +62,6 @@ fn main() {
         cli::Command::AmendPatch(opts) => commands::amend_patch::amend_patch(opts.no_edit),
         cli::Command::Status => commands::status::status(),
         cli::Command::Log => commands::log::log(),
-        cli::Command::Unstage(opts) => commands::unstage::unstage(opts.files),
         cli::Command::Fetch => commands::fetch::fetch(cli.color),
         #[cfg(feature = "backup_cmd")]
         cli::Command::BackupStack(opts) => commands::backup_stack::backup_stack(opts.branch_name),

src/ps/public/mod.rs

@@ -17,6 +17,5 @@ pub mod request_review_branch;
 pub mod show;
 pub mod status;
 pub mod sync;
-pub mod unstage;
 pub mod upstream_patches;
 pub mod verify_isolation;