Drop Backuppc support

doc/freebsd.md

@@ -10,8 +10,3 @@ About modules
 -------------
 
 Dynamic modules must be set with full path (see `nginx_load_modules` path).
-
-Sites not tested
-----------------
-
-- BackupPC

doc/site.md

@@ -41,7 +41,6 @@ Templates
 ---------
 
 - `_base`: static template
-- `_backuppc`: access to [BackupPC](http://backuppc.sourceforge.net/) (be careful: you need to install [fcgiwrap](https://packages.debian.org/stretch/fcgiwrap))
 - `_dokuwiki`
 - `_redirect`: should not be called explicitly
 - `_phalcon`: Phalcon PHP Framework