Drop the anchor from mirrored from

git:// URLs are not valid to Soy and get escaped incorrectly.
Display the URL as plain text and omit the parens so it can
be copied more easily.

Change-Id: Id485168bcb5bf97f0714708a69af43610349b55d

gitiles-servlet/src/main/resources/com/google/gitiles/templates/RepositoryIndex.soy

diff --git a/gitiles-servlet/src/main/resources/com/google/gitiles/templates/RepositoryIndex.soy b/gitiles-servlet/src/main/resources/com/google/gitiles/templates/RepositoryIndex.soy
index cf4173c..9dfe342 100644
--- a/gitiles-servlet/src/main/resources/com/google/gitiles/templates/RepositoryIndex.soy
+++ b/gitiles-servlet/src/main/resources/com/google/gitiles/templates/RepositoryIndex.soy
@@ -39,7 +39,7 @@
   {if $mirroredFromUrl}
     <div class="repository-mirrored-from">
     {msg desc="Informational text describing source of repository"}
-    (mirrored from <a href="{$mirroredFromUrl}">{$mirroredFromUrl}</a>)
+    mirrored from {$mirroredFromUrl}
     {/msg}
     </div>
   {/if}