Revert "ServiceScan: add missing DVB-C FEC value"

This reverts commit d60fe1309192fbedcd18a2bfed819b583e0a3da0.

The fec value 6/7 was left out intentionally.
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2 into BETA

Resolved Conflicts:
	lib/python/Components/ServiceScan.py