ISTWCMS-5905: Remove re-declaration of class

src/patterns/04-components/background-image/_background-image.scss

@@ -70,6 +70,7 @@
 .uw-section__tint-color--none {
   position: relative;
   &::before {
+    background-color: transparent;
     bottom: 0;
     content: '';
     display: block;
@@ -99,7 +100,3 @@
     background-color: rgba(255, 255, 255, 0.75);
   }
 }
-
-.uw-section__tint-color--none  {
-  background-color: transparent;
-}