web/settings: move switcher description to correct component

web/src/components/settings/SettingsCategory.svelte

@@ -3,7 +3,6 @@
 
     export let sectionId: string;
     export let title: string;
-    export let description: string = "";
 
     let animate = false;
 
@@ -21,17 +20,13 @@
 >
     <h3 class="settings-content-title">{title}</h3>
     <slot></slot>
-
-    {#if description.length > 0}
-        <div class="settings-content-description subtext">{description}</div>
-    {/if}
 </section>
 
 <style>
     .settings-content {
         display: flex;
         flex-direction: column;
-        gap: 10px;
+        gap: var(--padding);
         padding: calc(var(--settings-padding) / 2);
         border-radius: 18px;
     }