Remove dulplicate multiple divs test case

[Ynjxsjmh]

turndown/test/index.html

Lines 594 to 602 in 9677c79

	<div class="case" data-name="multiple divs">
	<div class="input">
	<div>A div</div>
	<div>Another div</div>
	</div>
	<pre class="expected">A div
	Another div</pre>
	</div>

and

turndown/test/index.html

Lines 604 to 612 in 9677c79

	<div class="case" data-name="multiple divs">
	<div class="input">
	<div>A div</div>
	<div>Another div</div>
	</div>
	<pre class="expected">A div
	Another div</pre>
	</div>

are the same test case.

[srbala]

LGTM