refactor: Remove unused preview actions from ASNs, Domains, and IPRanges managers; streamline PageHeaderActions component for improved clarity and usability

frontend/src/IPRangesManager.jsx

@@ -15,8 +15,7 @@ import {
   IconDeviceFloppy,
   IconHash,
   IconClock,
-  IconFileText,
-  IconEye
+  IconFileText
 } from '@tabler/icons-react';
 import LockBanner from './components/LockBanner.jsx';
 import TableSkeleton from './components/TableSkeleton.jsx';
@@ -415,8 +414,6 @@ function IPRangesManager() {
           <div className="col-auto ms-auto d-print-none">
             <PageHeaderActions
               loading={loading}
-              onPreview={handlePreviewDiff}
-              disablePreview={loading || items.length === 0}
               onRefresh={fetchItems}
               disableRefresh={loading}
               onImport={handleImport}