Revert "Added A Complementary Function OF Suffix Array"

This reverts commit 61fbdd56b53fab8e3d2fc712bbbad4f1e8acb666.
Added A Complementary Function Of Suffix Array

algorithm :: check if it is a substring of the suffix array string using
binary search
runtime   :: O (P + logn)
source    :: ienzam vaia
tested    :: no