Sample configs: Eliminate false multiline comment block starts.

configs/samples/alsa.conf.sample

configs/samples/ccss.conf.sample

configs/samples/chan_dahdi.conf.sample

configs/samples/console.conf.sample

configs/samples/mgcp.conf.sample

configs/samples/minivm.conf.sample

configs/samples/misdn.conf.sample

configs/samples/oss.conf.sample

configs/samples/queues.conf.sample

configs/samples/res_snmp.conf.sample

configs/samples/sip.conf.sample

configs/samples/skinny.conf.sample

configs/samples/unistim.conf.sample

configs/samples/vpb.conf.sample