Carousel component: syntax minor fixes

src/scss/cdb-components/carousel.scss

@@ -25,7 +25,6 @@
   width: 100%;
   font-size: 0;
 }
-
 .CDB-Carousel-item {
   @include inline-block();
   width: $baseSize * 11;
@@ -44,16 +43,7 @@
     border: 1px solid $cMainLine;
     cursor: pointer;
   }
-
-  &.is-selected {
-    border: 2px solid $cBlue;
-  }
-}
-
-.CDB-Carousel-headerDetails {
-  color: $cTypo3;
-
-  &.is-uppercase {
-    text-transform: uppercase;
-  }
 }
+.CDB-Carousel-item.is-selected {
+  border: 2px solid $cBlue;
+}

src/scss/cdb-components/shapes/toogle-arrow.scss

@@ -84,7 +84,6 @@ Description
 */
 
 @import '../../cdb-variables/colors';
-@import '../../cdb-variables/sizes';
 
 .CDB-ArrowToogle {
   position: relative;

src/scss/cdb-utilities/helpers.scss

@@ -2,7 +2,6 @@
 // ----------------------------------------------
 
 @import './mixins';
-@import '../cdb-variables/colors';
 
 /* Margins */
 .u-tSpace {