test: updated react snapshot

public/app/features/users/__snapshots__/UsersActionBar.test.tsx.snap

@@ -145,9 +145,6 @@ exports[`Render should show invite button 1`] = `
       className="btn btn-success"
       href="org/users/invite"
     >
-      <i
-        className="fa fa-plus"
-      />
       <span>
         Invite
       </span>