Revert "Merge branch 'contrib_0220' into 'main'"

See merge request !5

This reverts merge request !4

early draft of data models, agreed in contribution F5G(22)000220

See merge request !4

contribution 0204 adding text on how to contribute, changes in theREADME file,...

See merge request !2

contribution 0204 adding text on how to contribute, changes in theREADME file, and the addition of the LICINSE file

Update Collection Models/ONU Information Collection/ONU local information/an-gpon-pm-onu-line-quality.proto, Collection Models/ONU Information Collection/ONU local information/an-epon-pm-onu-local-info.proto, Collection Models/ONU Information Collection/ONU local information/an-gpon-pm-onu-local-info.proto, Collection Models/ONU Information Collection/ONU remote information/an-gpon-pm-onu-remote-info.proto, Collection Models/ONU Information Collection/ONU remote information/an-epon-onu-transceivers.proto, Collection Models/ONU Information Collection/ONU remote information/an-epon-pm-onu-remote-info.proto, Collection Models/ONU Information Collection/ONU remote information/an-gpon-onu-transceivers.proto files

Update Collection Models/Traffic Collection/an-epon-pm-onu-traffic.proto, Collection Models/Traffic Collection/an-gpon-pm-onu-traffic.proto, Collection Models/Traffic Collection/an-bb-queue-kpi.proto, Collection Models/Traffic Collection/an-bb-service-flow-kpi.proto, Collection Models/Traffic Collection/an-epon-pm-olt-traffic.proto, Collection Models/Traffic Collection/an-ethernet-kpi.proto, Collection Models/Traffic Collection/an-gpon-pm-olt-traffic.proto, Collection Models/Optical Link Information Collection/an-epon-pm-olt-transceivers.proto, Collection Models/Optical Link Information Collection/an-gpon-pm-olt-transceivers.proto, Collection Models/ONU Information Collection/an-epon-onu-transceivers.proto, Collection Models/ONU Information Collection/an-epon-pm-onu-local-info.proto, Collection Models/ONU Information Collection/an-gpon-onu-transceivers.proto, Collection Models/ONU Information Collection/an-gpon-pm-onu-local-info.proto, Collection Models/ONU Information Collection/an-epon-pm-onu-remote-info.proto, Collection Models/ONU Information Collection/an-gpon-pm-onu-remote-info.proto, Collection Models/ONU Information Collection/an-gpon-pm-onu-line-quality.proto files