Revert "Added Spektrum satellite binding to transmitter"

This reverts commit 08493fa21205fda604739f0d63100e57ada93199.
Revert "Support for simultaneous GPS and Spektrum satellite"

This reverts commit 38d575718441fc17f45a7864bfa0baac8d4fc23b.
Spektrum DSMX satellite 8th channel support

Added support for 8th channel when using Spektrum DSMX satellite.
(old 1024 resolution 22ms DSM2 still work with 7 channels because those
doesn't support 8 channels)