Cleanup dependencies (part 4) (#8468)

Follow-up to #8425 . Final part - adds the CI check.

Release Notes:
- N/A

crates/theme/Cargo.toml

@@ -7,7 +7,7 @@ license = "GPL-3.0-or-later"
 
 [features]
 default = []
-stories = ["dep:itertools", "dep:story"]
+stories = ["dep:story"]
 test-support = ["gpui/test-support", "fs/test-support", "settings/test-support"]
 
 [lib]
@@ -23,7 +23,6 @@ fs.workspace = true
 futures.workspace = true
 gpui.workspace = true
 indexmap = { version = "1.6.2", features = ["serde"] }
-itertools = { workspace = true, optional = true }
 palette = { version = "0.7.3", default-features = false, features = ["std"] }
 parking_lot.workspace = true
 refineable.workspace = true
@@ -35,7 +34,6 @@ serde_json_lenient.workspace = true
 serde_repr.workspace = true
 settings.workspace = true
 story = { workspace = true, optional = true }
-toml.workspace = true
 util.workspace = true
 uuid.workspace = true