Clean up many small dependencies (part 3) (#8425)

Follow-up to #8353

Release Notes:
- N/A

crates/terminal/Cargo.toml

@@ -14,15 +14,12 @@ doctest = false
 alacritty_terminal = "0.22.0"
 anyhow.workspace = true
 collections.workspace = true
-db.workspace = true
 dirs = "4.0.0"
 futures.workspace = true
 gpui.workspace = true
 itertools.workspace = true
 lazy_static.workspace = true
 libc = "0.2"
-mio-extras = "2.0.6"
-ordered-float.workspace = true
 procinfo = { git = "https://github.com/zed-industries/wezterm", rev = "0c13436f4fa8b126f46dd4a20106419b41666897", default-features = false }
 task.workspace = true
 schemars.workspace = true
@@ -30,8 +27,6 @@ serde.workspace = true
 serde_derive.workspace = true
 serde_json.workspace = true
 settings.workspace = true
-shellexpand.workspace = true
-smallvec.workspace = true
 smol.workspace = true
 theme.workspace = true
 thiserror.workspace = true