remove book alt icon

Author: nielslyngsoe

packages/uui-icon-registry-essential/lib/svgs/iconBookAlt.ts

@@ -1,7 +1,6 @@
 export * from './iconAdd';
 export * from './iconAlert';
 export * from './iconAttachment';
-export * from './iconBookAlt';
 export * from './iconCalendar';
 export * from './iconCheck';
 export * from './iconClipboard';