Revert "Fix comment. bugid:110758"

This reverts commit 1e37f80833789ad5591b5f8b6e6aae3ddb24b0d1.
Revert "Limit $count by $app->param('limit'). bugid:110758"

This reverts commit 613c002efd93d7317e1c16bfb674d56a9190962a.
Implement search endpoint roughly. bugid:112443