b fix ui led tests

src/UI/UI_led.hpp

@@ -11,9 +11,6 @@ class UI_led : public UI_item
     UI_led(std::string text, Color fg_color, Color bg_color, QObject *parent = nullptr);
     UI_led(const json &j, QObject *parent = nullptr);
 
-    Color led_color() const;
-    void set_led_color(Color led_color);
-
     void from_json(const json &j) override;
     json to_json(size_t id) const override;
 };

tests/UI_led.cpp

@@ -8,7 +8,6 @@ TEST(UI_led, to_from_json)
     EXPECT_EQ(led.text(), led2.text());
     EXPECT_EQ(led.fg_color(), led2.fg_color());
     EXPECT_EQ(led.bg_color(), led2.bg_color());
-    EXPECT_EQ(led.led_color(), led2.led_color());
 }
 
 TEST(UI_led, set_led_color)