p2p: remove support for legacy stream delimited protocols

[corverroos]

Removes support for legacy stream delimited libp2p protocols. Only support length-delimited protocols.

category: refactor
ticket: #1934

[codecov]

Codecov Report

Patch coverage: 80.00% and project coverage change: -0.12 ⚠️

Comparison is base (347a50a) 53.67% compared to head (9177897) 53.55%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2350      +/-   ##
==========================================
- Coverage   53.67%   53.55%   -0.12%     
==========================================
  Files         192      192              
  Lines       25833    25805      -28     
==========================================
- Hits        13865    13821      -44     
- Misses      10250    10268      +18     
+ Partials     1718     1716       -2     

Impacted Files	Coverage Δ
dkg/bcast/server.go	70.42% <ø> (ø)
core/parsigex/parsigex.go	62.79% <33.33%> (ø)
core/consensus/component.go	65.81% <50.00%> (ø)
app/peerinfo/peerinfo.go	67.77% <75.00%> (-6.12%)	⬇️
app/peerinfo/adhoc.go	76.92% <100.00%> (ø)
core/consensus/transport.go	70.37% <100.00%> (-0.22%)	⬇️
core/priority/prioritiser.go	62.32% <100.00%> (+2.79%)	⬆️
dkg/bcast/client.go	81.25% <100.00%> (ø)
dkg/frostp2p.go	75.30% <100.00%> (ø)
p2p/sender.go	74.34% <100.00%> (-0.52%)	⬇️

... and 6 files with indirect coverage changes

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