[eval.py] reduce generous times between evaluation steps

eval.py

@@ -362,9 +362,9 @@ COORDINATOR = HOSTNAME
 COORDINATOR_EXE = f'{CLIENT_DIR}/build/apps/coordinator'
 CLIENTS = None
 
-STARTUP_TIME = 30
-TERMINATION_TIME = 30
-CLIENT_SEPARATION_TIME = 60
+STARTUP_TIME = 10
+TERMINATION_TIME = 10
+CLIENT_SEPARATION_TIME = 10
 
 TERMINATION_CMD = 'nc {host} 12345'
 SERVER_KILL_CMD = 'pkill -9 {proc}'