Remove Statistics as a dependency (#164)

Author: jishnub

Project.toml

@@ -10,7 +10,6 @@ FillArrays = "1a297f60-69ca-5386-bcde-b61e274b549b"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MatrixFactorizations = "a3b82374-2e81-5b9e-98ce-41277c0e4c87"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
-Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [weakdeps]
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"