Adjust ISIS SID, remove redundant files, adjust mpls-label-range and prefix-sid-range is now global
- Adjust ISIS SID: now we only use 4/6 and third octect
- remove redundant files: leftovers that were not correctly placed,
- adjust mpls-label-range: from 256 to 9968 as per LLD
- prefix-sid-range is now global
Edited by Simone Spinelli