Removed disabled context menu item class

Removed unsed disabled class from context menu now where we are using the disabled option of basicContext

src/styles/_basicContext.extended.scss

@@ -8,10 +8,6 @@
 		box-shadow: 0 0 0 1px black(.5);
 	}
 
-	&__data .disabled {
-		opacity: 0.5;
-	}
-
 	&__data .title {
 		display: inline-block;
 		margin: 0 0 3px 26px;