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#### Describe the bug
Axios last version (0.20.0) does not use data from config when making DELETE request. In 0.19.2 it's working fine

#### To Reproduce

```js
axios.delete("...", { 
    data: { ids: [...] },
}).then(response => {
    ...
}).catch(error => {
    ...
});
```

#### Expected behavior
Axios send request data from config when making DELETE request

#### Environment
 - Axios Version 0.20.0
 - Browser Chrome 
 - Browser Version 84.0.4147.125
 - Node.js Version 12.18.3
 - OS: Linux Mint
 - Additional Library Versions React 16.13.1

#### Additional context/Screenshots
None

test/specs/requests.spec.js
.catch(rejectSpy)
      .then(function () {
        expect(resolveSpy).toHaveBeenCalled();
        expect(rejectSpy).not.toHaveBeenCalled();
        done();
      });
    getAjaxRequest().then(function (request) {
      request.respondWith({
        status: 500
      });
    });
  });
  it('should resolve when the response status is 0 (i.e. requesting with file protocol)', function (done) {
    var resolveSpy = jasmine.createSpy('resolve');
    var rejectSpy = jasmine.createSpy('reject');
    axios('file:///xxx').then(resolveSpy)
      .catch(rejectSpy)
      .then(function () {
        expect(resolveSpy).toHaveBeenCalled();
        expect(rejectSpy).not.toHaveBeenCalled();
        done();
      });
    getAjaxRequest().then(function (request) {
      request.respondWith({
        status: 0,
        responseURL: 'file:///xxx',
      });
    });
  });
  it('should resolve when validateStatus is null', function (done) {