remove useless variables

src/Matrix.cpp

@@ -46,7 +46,6 @@ void Matrix::Print() const {
 	for (size_t i = 0; i < m_Raws; ++i) {
 		std::cout << "[ ";
 		for (size_t j = 0; j < m_Columns; ++j) {
-			std::size_t indice = i * m_Raws + j;
 			std::cout << at(i, j) << " ";
 		}
 		std::cout << "]";