Some minor bug fixes

src/components/AppIcon.vue

@@ -18,14 +18,6 @@ export default {
 		transform: String
 	},
 	computed: {
-		iconClassNames() {
-			return [
-				'app-icon',
-				this.icon,
-				...(this.classes || '').split(/\s+/),
-				this.margin?'margin-'+this.margin:null
-			].filter(Boolean).join(' ');
-		},
 		resolvedFixedWidth() {
 			return (this.width == 'fixed') || null;
 		},
@@ -93,4 +85,4 @@ export default {
 		margin-left: var.$text-spacing;
 	}
 }
-</style>
+</style>