web-player: baseline fixes and stray bugs

Fix eslint (dead imports in liked), missing title size in MediaCard,
non-exclusive classes in the Home spotlight rows, typography in the
album delete modal, useless text-base on icon buttons (Sidebar,
Queue), and remove Badge.svelte (unused).

web-player/src/lib/components/ui/Badge.svelte

@@ -1,23 +0,0 @@
-<script lang="ts">
-	import type { Snippet } from 'svelte';
-
-	interface Props {
-		tone?: 'neutral' | 'accent' | 'danger';
-		class?: string;
-		children: Snippet;
-	}
-
-	let { tone = 'neutral', class: klass = '', children }: Props = $props();
-
-	const tones = {
-		neutral: 'bg-surface-2 text-fg',
-		accent: 'bg-accent/20 text-accent',
-		danger: 'bg-danger/10 text-danger-fg'
-	};
-</script>
-
-<span
-	class="shrink-0 rounded-full px-2 py-0.5 text-sm leading-none font-semibold {tones[tone]} {klass}"
->
-	{@render children()}
-</span>

web-player/src/lib/components/ui/MediaCard.svelte

@@ -25,7 +25,7 @@
 	{oncontextmenu}
 >
 	{@render art(mediaCardArt)}
-	<div class="mt-2.5 truncate text-fg">{title}</div>
+	<div class="mt-2.5 truncate text-sm text-fg">{title}</div>
 	{#if subtitle}
 		<div class="mt-0.5 truncate text-xs text-fg-3">{subtitle}</div>
 	{/if}