[privoxy] remove using procd

* go back to "old" initscript not using procd
    * privoxy running --no-daemon only logging to STDERR
    * procd do not support redirection of STDOUT/STDERR, '2>file' as a command parameter does not work

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Merge pull request #692 from chris5560/master

[privoxy] back to old-style initscript not using procd