drop useless tests

packages/svelte/tests/runtime-legacy/samples/keyed-each-prod-unique-2/_config.js

@@ -1,15 +0,0 @@
-import { flushSync } from 'svelte';
-import { test } from '../../test';
-
-export default test({
-	compileOptions: {
-		dev: false
-	},
-	test({ assert, target }) {
-		let button = target.querySelector('button');
-
-		button?.click();
-
-		assert.throws(flushSync, /each_key_duplicate/);
-	}
-});

packages/svelte/tests/runtime-legacy/samples/keyed-each-prod-unique-2/main.svelte

@@ -1,8 +0,0 @@
-<script>
-	let data = [1, 2, 3];
-</script>
-
-<button onclick={() => data = [1, 1, 1]}>add</button>
-{#each data as d (d)}
-	{d}
-{/each}

packages/svelte/tests/runtime-legacy/samples/keyed-each-prod-unique-3/_config.js

@@ -1,8 +0,0 @@
-import { test } from '../../test';
-
-export default test({
-	compileOptions: {
-		dev: false
-	},
-	error: 'each_key_duplicate\nKeyed each block has duplicate key at indexes  and '
-});

packages/svelte/tests/runtime-legacy/samples/keyed-each-prod-unique-3/main.svelte

@@ -1,7 +0,0 @@
-<script>
-	let data = [1, 1, 1];
-</script>
-
-{#each data as d (d)}
-	{d}
-{/each}

packages/svelte/tests/runtime-legacy/samples/keyed-each-prod-unique/_config.js

@@ -1,12 +0,0 @@
-import { flushSync } from 'svelte';
-import { test } from '../../test';
-
-export default test({
-	test({ assert, target }) {
-		let button = target.querySelector('button');
-
-		button?.click();
-
-		assert.throws(flushSync, /each_key_duplicate/);
-	}
-});

packages/svelte/tests/runtime-legacy/samples/keyed-each-prod-unique/main.svelte

@@ -1,8 +0,0 @@
-<script>
-	let data = [1, 2, 3];
-</script>
-
-<button onclick={() => data = [1, 1, 3, 1]}>add</button>
-{#each data as d (d)}
-	{d}
-{/each}