fix(lists): remove borky gradient

Left the SCSS for it in, for ease of playing with to get it to work in v2.

website/client/components/tasks/column.vue

@@ -17,9 +17,8 @@
       :isUser="isUser",
       @editTask="editTask",
     )
-    .bottom-gradient
     .column-background(
-      v-if="isUser === true", 
+      v-if="isUser === true",
       :class="{'initial-description': tasks[`${type}s`].length === 0}",
       ref="columnBackground",
     )