feat(plugins): minor fixes to breaking out query editor row into reusable component

public/app/plugins/datasource/prometheus/partials/query.editor.html

@@ -1,5 +1,4 @@
-<query-editor-row ctrl="ctrl" controls="true">
-
+<query-editor-row ctrl="ctrl">
 	<li class="tight-form-item" style="width: 94px">
 		Query
 	</li>
@@ -25,7 +24,6 @@
 		placeholder="metric name"
 		data-min-length=0 data-items=100>
 	</li>
-
 </query-editor-row>
 
 <div class="tight-form">