Remove aggregated algorithms log line.
Remove aggregated algorithms log line.

All constituent parts now have their own log lines which
are printed closer to when the handshakes occur. More accurate
and more readable.

jaraco/paramiko,paramiko/paramiko,SebastianDeiss/paramiko,reaperhulk/paramiko,mirrorcoder/paramiko,dorianpula/paramiko,ameily/paramiko