Remove unused ScoreColorButton component

src/lib/save-editor/ScoreColorButton.svelte

@@ -1,64 +0,0 @@
-<script>
-    import { ScoreColor, ScoreColorCSS, ScoreColorNames } from '../../core/savegame/constants.js';
-
-    export let color = 0;
-    export let onChange = () => {};
-    export let title = '';
-    export let isHighScore = false;
-
-    function handleClick() {
-        // Cycle through colors: 0 -> 1 -> 2 -> 3 -> 0
-        const nextColor = (color + 1) % 4;
-        onChange(nextColor);
-    }
-
-    $: colorName = ScoreColorNames[color] || 'Unknown';
-    $: bgColor = ScoreColorCSS[color] || '#808080';
-    $: tooltipText = title ? `${title}: ${colorName}` : colorName;
-</script>
-
-<button
-    class="score-color-button"
-    class:high-score={isHighScore}
-    style="background-color: {bgColor}"
-    onclick={handleClick}
-    title="{tooltipText} - Click to change"
-    type="button"
->
-    {#if isHighScore}
-        <span class="high-score-indicator">H</span>
-    {/if}
-</button>
-
-<style>
-    .score-color-button {
-        width: 24px;
-        height: 24px;
-        border-radius: 4px;
-        border: 2px solid rgba(255, 255, 255, 0.3);
-        cursor: pointer;
-        transition: all 0.15s ease;
-        position: relative;
-        display: flex;
-        align-items: center;
-        justify-content: center;
-        padding: 0;
-    }
-
-    .score-color-button:hover {
-        transform: scale(1.15);
-        border-color: rgba(255, 255, 255, 0.6);
-        box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
-    }
-
-    .score-color-button:active {
-        transform: scale(0.95);
-    }
-
-    .high-score-indicator {
-        font-size: 10px;
-        font-weight: bold;
-        color: rgba(0, 0, 0, 0.6);
-        text-shadow: 0 0 2px rgba(255, 255, 255, 0.5);
-    }
-</style>