removed unnecessary style

public/app/features/plugins/partials/update_instructions.html

@@ -16,6 +16,6 @@
 			<pre><code>grafana-cli plugins update {{plugin.id}}</code></pre>
 			<span class="small">Check out {{plugin.name}} on <a href="http://grafana/net/plugins/{{plugin.id}}">Grafana.net</a> for README and changelog. If you do not have access to the command line, ask your Grafana administator.</span>
 		</div>
-		<p class="pluginlist-none-installed code--line"><img class="pluginlist-inline-logo" src="public/img/grafana_icon.svg"><strong>Pro tip</strong>: To update all plugins at once, type <code class="code--small">grafana-cli plugins update-all</code> on the command line.</div>
+		<p class="pluginlist-none-installed"><img class="pluginlist-inline-logo" src="public/img/grafana_icon.svg"><strong>Pro tip</strong>: To update all plugins at once, type <code class="code--small">grafana-cli plugins update-all</code> on the command line.</div>
 	</div>
 </div>