optical-media: Add "ignored-scheme" configuration

Pass as many "ignored-scheme" configuration to this plugin to stop those
media from showing up in the browse output. This will allow totem to
easily ignore unsupported VCDs.
1 job for master in 3 minutes and 59 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #219541
build_stable

00:03:59