MC-4116: Update slider to use new background images logic

- remove space

Author: anthoula

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/banner/_collage-right.less

@@ -23,7 +23,6 @@
 //  Collage right appearance styles rendered through Block
 //  ______________________________________________________
 
-
 [data-appearance='collage-right'] {
     .pagebuilder-overlay {
         margin-left: auto;