move `integral_image` to ImageBase

[johnnychen94]

https://github.com/JuliaImages/Images.jl/blob/cfa2270f08e70f46192ce9342f7f5109b74ac336/src/algorithms.jl#L598-L606

[johnnychen94]

deprecated in favor of https://github.com/JuliaImages/IntegralArrays.jl (See also JuliaImages/Images.jl#971)