Remove obsolete limit on path segments in SegReply (#3765)
Remove obsolete limit on path segments in SegReply (#3765)

An arbitrary limit to 9 path segments in a SegReply was implemented some
time ago as a hack to avoid exceeding MTU. This is no longer necessary
as QUIC is now used as transport for these path segment requests.
netsec-ethz/scion,Oncilla/scion,Oncilla/scion,Oncilla/scion,netsec-ethz/scion,netsec-ethz/scion,Oncilla/scion,netsec-ethz/scion