caddy-frontend: Avoid implementation of wrong feature

Removing 'secure' from cookie send by backend is plain wrong.

software/caddy-frontend/README.caddy_frontend.rst

@@ -355,9 +355,6 @@ Request slave frontend instance so that https://[1:2:3:4:5:6:7:8]:1234 will be::
   ProxyTimeout 600
   RewriteEngine On
 
-  # Remove "Secure" from cookies, as backend may be https
-  Header edit Set-Cookie "(?i)^(.+);secure$" "$1"
-
   # Not using HTTPS? Ask that guy over there.
   # Dummy redirection to https. Note: will work only if https listens
   # on standard port (443).
@@ -432,8 +429,6 @@ the proxy::
   LogLevel info
   LogFormat "%%h %%l %%{REMOTE_USER}i %%t \"%%r\" %%>s %%b \"%%{Referer}i\" \"%%{User-Agent}i\" %%D" combined
   CustomLog "%(access_log)s" combined
-  # Remove "Secure" from cookies, as backend may be https
-  Header edit Set-Cookie "(?i)^(.+);secure$" "$1"
   # Not using HTTPS? Ask that guy over there.
   # Dummy redirection to https. Note: will work only if https listens
   # on standard port (443).

software/caddy-frontend/buildout.hash.cfg

@@ -51,7 +51,7 @@ md5sum = f20d6c3d2d94fb685f8d26dfca1e822b
 
 [template-default-slave-virtualhost]
 filename = templates/default-virtualhost.conf.in
-md5sum = 30792249220b3e4fddd7e50236b455dc
+md5sum = 1c6a5b57c68c7568c65f5cbb90a0f0d8
 
 [template-cached-slave-virtualhost]
 filename = templates/cached-virtualhost.conf.in

software/caddy-frontend/templates/default-virtualhost.conf.in

@@ -122,9 +122,6 @@
   log / {{ slave_parameter.get('access_log') }} "{remote} {>REMOTE_USER} [{when}] \"{method} {uri} {proto}\" {status} {size} \"{>Referer}\" \"{>User-Agent}\" {latency_ms}"
   errors {{ slave_parameter.get('error_log') }}
 
-# TODO-Caddy   # Remove "Secure" from cookies, as backend may be https
-# TODO-Caddy   Header edit Set-Cookie "(?i)^(.+);secure$" "$1"
-
 {% for disabled_cookie in disabled_cookie_list %}
 # TODO-Caddy {{'  RequestHeader edit Cookie "(^%(disabled_cookie)s=[^;]*; |; %(disabled_cookie)s=[^;]*|^%(disabled_cookie)s=[^;]*$)" ""' % dict(disabled_cookie=disabled_cookie)  }}
 {% endfor %}