Fix localisation for % completion in local citation network

static/chrome/locale/en-US/wikicite.properties

@@ -83,8 +83,8 @@ wikicite.lcn.window.filter.select.journal = Journal
 wikicite.lcn.window.footer = Adapted from %1$s's %2$s
 wikicite.lcn.window.input-articles.header = Input articles (%s)
 wikicite.lcn.window.input-articles.info.source = Based on local citation data
-wikicite.lcn.window.input-articles.info.completeness = estimated completeness %s%%
-wikicite.lcn.window.input-articles.info.completeness.tooltip = %1$s of %2$s input articles have reference-lists themselves in Cita (%3$s%%).
+wikicite.lcn.window.input-articles.info.completeness = estimated completeness %s%
+wikicite.lcn.window.input-articles.info.completeness.tooltip = %1$s of %2$s input articles have reference-lists themselves in Cita (%3$s%).
 wikicite.lcn.window.input-articles.info.open-external = Open with %s
 wikicite.lcn.window.input-articles.info.open-external.tooltip = Open new graph for %s articles with DOI using citation data retrieved through external APIs
 wikicite.lcn.window.incoming-suggestions.header = Incoming suggestions (%1$s %2$s)