java-lint

Unused imports

Current implementation has a lazy implemented global identifiers collectors.
False negatives may happen.

```js
import { removeUnusedImports } from 'java-lint';

const dirtySource = `package my.project;

import my.project.pack.Unused;

class Foo {}
`;

removeUnusedImports(dirtySource);

expect(dirtySource).toMatch(
`package my.project;


class Foo {}
`,
);
```