clean: remove debug print

src/utils.cpp

@@ -42,7 +42,6 @@ static int get_quantity(std::string& str)
         quantity = quantity * 10 + str[i] - '0';
         len++;
     }
-    std::cout << str << std::endl;
     str.erase(i - len, len);
     return quantity;
 }
@@ -50,7 +49,6 @@ static int get_quantity(std::string& str)
 int get_article_data(std::string& str, unsigned int& quantity, float& price)
 {
     price = get_price(str);
-    std::cout << str << std::endl;
     quantity = get_quantity(str);
 
     return 0;