refactor: remove unused features from burn dependency in Cargo.toml

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

Author: SammyOina

burn-algorithms/imdb/Cargo.toml

@@ -28,9 +28,7 @@ required-features = ["cocos"]
 [dependencies]
 burn = { version = "0.18.0", features = [
     "dataset",
-    "ndarray",
     "train",
-    "wgpu",
 ] }
 csv = "1.3.0"
 derive-new = "0.7.0"