Issue #3475822 by cosmicdreams: Remove modules/same_page_preview

modules/same_page_preview/.gitignore

modules/same_page_preview/LICENSE.txt

modules/same_page_preview/README.md

...review/components/button-group/button-group.component.yml

..._preview/components/button-group/button-group.stories.yml

...me_page_preview/components/button-group/button-group.twig

...ponents/fullscreen-button/fullscreen-button.component.yml

...review/components/fullscreen-button/fullscreen-button.css

...preview/components/fullscreen-button/fullscreen-button.js

...omponents/fullscreen-button/fullscreen-button.stories.yml

...eview/components/fullscreen-button/fullscreen-button.twig

...omponents/newwindow-button/newwindow-button.component.yml

..._preview/components/newwindow-button/newwindow-button.css

.../components/newwindow-button/newwindow-button.stories.yml

...preview/components/newwindow-button/newwindow-button.twig

.../components/settings-button/settings-button.component.yml

...ge_preview/components/settings-button/settings-button.css

...age_preview/components/settings-button/settings-button.js

...ew/components/settings-button/settings-button.stories.yml

...e_preview/components/settings-button/settings-button.twig