Bug: cannot find path for removal

Hi! This is a really dope plugin!!

Today I faced the following issue: Cannot find the path for removal, please open issue with code example and the stack trace on Github: https://github.com/ember-cli/babel-plugin-filter-imports

It happened with the following code:

```js
import VueTypes from "vue-types";

const props = {
name: VueTypes.string.isRequired
};

export default {
name: "App",
props,
};
```

The following code works:

```js
import VueTypes from "vue-types";

let props;

props = {
name: VueTypes.string.isRequired
};

export default {
name: "App",
props,
};
```

Repro code: https://codesandbox.io/s/rrno774wq4

Thank you!