Remove FillArrays code

Author: mtfishman

src/KroneckerArrays.jl

@@ -6,9 +6,5 @@ include("cartesianproduct.jl")
 include("kroneckerarray.jl")
 include("linearalgebra.jl")
 include("matrixalgebrakit.jl")
-include("fillarrays/kroneckerarray.jl")
-include("fillarrays/linearalgebra.jl")
-# include("fillarrays/matrixalgebrakit.jl")
-# include("fillarrays/matrixalgebrakit_truncate.jl")
 
 end