chore: remove storybook

src/CopyButton/CopyButton.Story.svelte

@@ -1,13 +0,0 @@
-<script>
-  import CopyButton from "./CopyButton.svelte";
-</script>
-
-<CopyButton
-  {...$$props}
-  on:click="{() => {
-    console.log('click');
-  }}"
-  on:animationend="{(e) => {
-    console.log('animation end', e.animationName);
-  }}"
-/>

src/CopyButton/CopyButton.stories.js

@@ -1,19 +0,0 @@
-import { withKnobs, text, number } from "@storybook/addon-knobs";
-import Component from "./CopyButton.Story.svelte";
-
-export default { title: "CopyButton", decorators: [withKnobs] };
-
-export const Default = () => ({
-  Component,
-  props: {
-    feedback: text("The text shown upon clicking (feedback)", "Copied!"),
-    feedbackTimeout: number(
-      "How long the text is shown upon clicking (feedbackTimeout)",
-      2000
-    ),
-    iconDescription: text(
-      "Feedback icon description (iconDescription)",
-      "Copy to clipboard"
-    ),
-  },
-});