1, update deepin icons to make the icon closer to the deepin logo, while also making the style suitable for this theme.
2, update brunch-settings icon for colors-white.svg, whitch has a different style effect from other icons of the colors-white style.
3, remove redundant element "g536" in group xubuntu for logos-whitesur.svg.
4, fine tune icon parameters like X,Y,width,height datas in SVG files, whitch has uncorrect datas. For example, all icon group in svg files are supposed to be 32.000x32.000, but a few icons are 32.001x32.001, and more...
