Remove editor CSS

The frontend style is loaded in the editor iframe, so this is not used

Author: ryelle

mu-plugins/blocks/modal/src/block.json

@@ -50,7 +50,6 @@
 		"interactivity": true
 	},
 	"editorScript": "file:./index.js",
-	"editorStyle": "file:./index.css",
 	"style": "file:./style-index.css",
 	"viewScriptModule": "file:./view.js",
 	"render": "file:../render.php"

mu-plugins/blocks/modal/src/editor.scss

@@ -40,6 +40,7 @@
 	z-index: 1;
 	width: 24px;
 	height: 24px;
+	cursor: pointer;
 	border: none;
 	background: transparent;
 	color: var(--wp--custom--wporg-modal--color--close-button);