index: remove extraneous </p>

It was causing very loose spacing in the bullet list.

Change-Id: I090aea725c2f1fc867592746172b98913209d50c
Reviewed-on: https://go-review.googlesource.com/c/wiki/+/549797
Reviewed-by: Russ Cox <rsc@golang.org>
diff --git a/index.md b/index.md
index ecf1fa9..b269c36 100644
--- a/index.md
+++ b/index.md
@@ -8,7 +8,7 @@
 <ul>
 {{- range pages "/wiki/*.md" -}}
 {{- if and .title (ne .URL "/wiki/") -}}
-<li class="wikititle">{{$short := strings.TrimPrefix .URL "/wiki/"}}<a href="{{.URL}}">{{$short}}{{if ne $short .title}} (“{{.title}}”){{end}}</a></p>
+<li class="wikititle">{{$short := strings.TrimPrefix .URL "/wiki/"}}<a href="{{.URL}}">{{$short}}{{if ne $short .title}} (“{{.title}}”){{end}}</a>
 {{end -}}
 {{- end -}}
 </ul>