Fixup for locid_transform (#3328)

Author: Manishearth

components/locid_transform/Cargo.toml

@@ -41,7 +41,7 @@ displaydoc = { version = "0.2.3", default-features = false }
 
 [dev-dependencies]
 criterion = "0.4"
-icu_testdata = { path = "../../provider/testdata", default-features = false, features = ["icu_locid_transform"] }
+icu_testdata = { path = "../../provider/testdata", default-features = false, features = ["icu_locid_transform", "buffer"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 icu = { path = "../icu" }
@@ -55,7 +55,7 @@ path = "src/lib.rs"
 default = []
 std = []
 bench = ["serde"]
-serde = ["dep:serde", "icu_locid/serde", "tinystr/serde", "zerovec/serde", "icu_provider/serde", "icu_testdata/buffer"]
+serde = ["dep:serde", "icu_locid/serde", "tinystr/serde", "zerovec/serde", "icu_provider/serde"]
 datagen = ["serde", "dep:databake", "zerovec/databake", "icu_locid/databake"]
 
 [[bench]]