Clean project structure.

src/core/RandomUtils.cpp

@@ -1,22 +0,0 @@
-#include "RandomUtils.h"
-
-#include <random>
-#include <algorithm>
-#include <iterator>
-
-std::vector<unsigned> RandomUtils::getRandomVecUnsigned(std::size_t size)
-{
-    std::random_device rnd_device;
-
-    std::mt19937 mersenne_engine {rnd_device()};
-    std::uniform_int_distribution<unsigned> dist {0, 9};
-
-    auto generator = [&dist, &mersenne_engine]()
-    		{
-    	return dist(mersenne_engine);
-    		};
-
-    std::vector<unsigned> vec(size);
-    std::generate(std::begin(vec), std::end(vec), generator);
-    return vec;
-}