remove MLDatasets dependence

Author: CarloLucibello

Project.toml

@@ -11,7 +11,6 @@ Flux = "587475ba-b771-5e3f-ad9e-33799f191a9c"
 KrylovKit = "0b1a1467-8014-51b9-945f-bf0ae24f4b77"
 LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
-MLDatasets = "eb30cadb-4394-5ae3-aed4-317e484a6458"
 NNlib = "872c559c-99b0-510c-b3b7-b6c96a88d5cd"
 NNlibCUDA = "a00861dc-f156-4864-bf3c-e6376f28a68d"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"