FIX: Don't sanitize API username so that we can potentially identify the source.

plugins/discourse-nginx-performance-report/script/nginx_analyze.rb

@@ -49,7 +49,7 @@ class LogAnalyzer
     private
 
     def self.sanitize_url(url)
-      url.gsub(/(api_key|api_username)=([\w.\-]+)/, '\1=[FILTERED]')
+      url.gsub(/api_key=([\w.\-]+)/, '\1=[FILTERED]')
     end
   end