Inheritance printer adds unnecessary carriage return

`% cat test.sol`
```solidity
pragma solidity >= 0.8.19;

interface IFoo{}

contract Foo is IFoo {}

abstract contract Bar is Foo {}

interface IBaz{}

contract Baz is Bar, IBaz{}
```

`% slither test.sol --print inheritance`
```
+ Baz
-> Bar, IBaz
, [Foo, IFoo]
```

It looks like we added unnecessary carriage return to the output at some point