Remove alias from email nginx template, fixes some edge case errors/redirects

install/deb/templates/mail/nginx/web_system.stpl

@@ -19,7 +19,6 @@ server {
     location / {
         try_files $uri $uri/ /index.php?$args;
         location ~* ^.+\.(ogg|ogv|svg|svgz|swf|eot|otf|woff|mov|mp3|mp4|webm|flv|ttf|rss|atom|jpg|jpeg|gif|png|ico|bmp|mid|midi|wav|rtf|css|js|jar)$ {
-            alias /var/lib/roundcube/;
             expires 1h;
             fastcgi_hide_header "Set-Cookie";
         }

install/deb/templates/mail/nginx/web_system.tpl

@@ -19,7 +19,6 @@ server {
     location / {
         try_files $uri $uri/ /index.php?$args;
         location ~* ^.+\.(ogg|ogv|svg|svgz|swf|eot|otf|woff|mov|mp3|mp4|webm|flv|ttf|rss|atom|jpg|jpeg|gif|png|ico|bmp|mid|midi|wav|rtf|css|js|jar)$ {
-            alias /var/lib/roundcube/;
             expires 1h;
             fastcgi_hide_header "Set-Cookie";
         }