Fixer for INTL0101 deletes xmldoc comments on method

Have a method like so:

``` c#
///
/// Does foo
///
[AttributeOne, AttributeTwo]
public async Task FooAsync()
{

}
```

Then, apply the fixer for INTL0101. The comment on the method is deleted.

Start by locating the INTL0101 fixer and reproduce the provided C# example with its XML documentation and attributes. The fix is done when applying the fixer preserves the method's xmldoc comment; add or update a regression test if the fixer has tests.

Written by the indexing model from the issue text.