Adjust board search on index page

Don't show on non-boards (like overboards)
Show inline, not as a new line
Remove useless comment

templates/index.html

@@ -71,15 +71,13 @@
 			<a id="index-feature-top" href="{{ config.root }}{% if mod %}{{ config.file_mod }}?/{% endif %}{{ board.dir }}{{ config.dir.featured }}">[{% trans %}Featured{% endtrans %}]</a>
 		{% endif %}
 		{% if config.board_search %}
-		<!-- Start Search Form -->
+			{% if board.uri %}
 				 <form style="display:inline" action="/search.php">
-		            	<p style="margin: 10px;">
 					<input type="text" name="search" placeholder="{{ board.uri }} search">
 					<input type="hidden" name="board" value="{{ board.uri }}">
 					<input type="submit" value="Search">
-		            	</p>
 				</form>
-			<!-- End Search Form -->
+			{% endif %}
 		{% endif %}
 	</span>
 	<hr />