rm redundant pkg from [extras]

Author: ablaom

Project.toml

@@ -14,7 +14,6 @@ DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MLUtils = "f1d291b0-491e-4a28-83b9-f70985020b54"
 Serialization = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
-SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"