cfg/reader: Remove cccam special cases for "inactivitytimeout" setting.

cccam reader already contains fixups for "inactivitytimeout" setting
(rdr->tcp_ito) so special casing CCCAM in reader config is just
redundant.

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@8144 4b0bc96b-bc66-0410-9d44-ebda105a78c1