Remove old commented code

src/main.cpp

@@ -56,7 +56,6 @@ int main()
             }
             if (line_nc[1] == '-')
             {
-                // std::cout << "\x1b[91m" << line_nc << "\x1b[m\n";
                 std::cout << line.substr(0, pos) << red << line.substr(pos)
                           << reset << '\n';
                 continue;