create RemoveButton component

[charliepark]

We discovered recently that we have some <button> elements that don't pass in a type="button" attribute/value. We do add in type="button" as a default prop in the <Button> component, but there are times where we won't want to add on the style of a <Button>.

We have a few places in the MiniTable rows where we have code like this:

<MiniTable.Cell>
    <button onClick={() => onChange(items.filter((i) => i.name !== item.name))}>
        <Error16Icon title={`remove ${item.name}`} />
    </button>
</MiniTable.Cell>

Adding a RemoveButton component that receives an onClick and title prop, but that adds type="button" automatically so we don't have to think about it.