set receipts per message

Author: adamsmo

src/main/resources/reference.conf

@@ -72,7 +72,7 @@ etc-client {
     max-concurrent-requests = 50
     block-headers-per-request = 2048
     block-bodies-per-request = 128
-    receipts-per-request = 128
+    receipts-per-request = 60
     nodes-per-request = 1000
     min-peers-to-choose-target-block = 2
     target-block-offset = 500