Cleanup dependencies (part 4) (#8468)

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

Release Notes:
- N/A

crates/color/Cargo.toml

@@ -7,13 +7,10 @@ license = "GPL-3.0-or-later"
 
 [features]
 default = []
-stories = ["dep:itertools", "dep:story"]
 
 [lib]
 path = "src/color.rs"
 doctest = true
 
 [dependencies]
-itertools = { workspace = true, optional = true }
 palette = "0.7.3"
-story = { workspace = true, optional = true }