Updated HomePage action button to be search

• Updated:
- HomePage action button to be search

• Removed:
- Home page timeline settings modal

app/javascript/gabsocial/pages/home_page.js

@@ -79,8 +79,8 @@ class HomePage extends React.PureComponent {
         title={title}
         actions={[
           {
-            icon: 'ellipsis',
-            onClick: this.onOpenHomePageSettingsModal,
+            icon: 'search',
+            to: '/search',
           },
         ]}
         layout={[