fix bad merge of DropdownToggle.scss

Author: jasonbasuil

src/Dropdown/DropdownToggle.scss

@@ -4,18 +4,6 @@ $primary: $ux-emerald-600;
 $danger: $ux-red;
 $warning: $ux-yellow-400; 
 
-.Synthesized {
-  .DropdownToggle {
-    &.btn-primary {
-      @include synthesis-btn-primary;
-    }
-  
-    &.btn-outline-primary {
-      @include synthesis-btn-outline-primary;
-    }
-  }
-}
-
 .DropdownToggle {
   @include synth-font-type-30--bold;