Method removeClickedCallback

src/fl/ui/button.h:113–113

    // (an alias for removeChangedCallback).
    void removeChangedCallback(int id) FL_NOEXCEPT { mCallbacks.remove(id); }
    void removeClickedCallback(int id) FL_NOEXCEPT { mCallbacks.remove(id); }
    void removePressedCallback(int id) FL_NOEXCEPT { mPressCallbacks.remove(id); }
    void removeReleasedCallback(int id) FL_NOEXCEPT { mReleaseCallbacks.remove(id); }