Fix extra whitespace in code block (#410)

Author: reakaleek

src/Elastic.Markdown/Slices/Directives/Code.cshtml

@@ -8,12 +8,6 @@
 				<a class="headerlink" href="@Model.CrossReferenceName" title="Link to this code">¶</a>
 			</div>
 		}
-		<pre>
-		@if (!string.IsNullOrEmpty(Model.ApiCallHeader))
-		{
-			<code class="language-apiheader">@Model.ApiCallHeader</code>
-		}
-			[CONTENT]
-		</pre>
+		<pre>@if (!string.IsNullOrEmpty(Model.ApiCallHeader)) { <code class="language-apiheader">@Model.ApiCallHeader</code> }[CONTENT]</pre>
 	</div>
-</div>
+</div>