Reduce minimum networking requires to relax CPU usage somewhat

src/main/java/org/qortal/settings/Settings.java

@@ -81,11 +81,11 @@ public class Settings {
 	/** Port number for inbound peer-to-peer connections. */
 	private Integer listenPort;
 	/** Minimum number of peers to allow block minting / synchronization. */
-	private int minBlockchainPeers = 10;
+	private int minBlockchainPeers = 8;
 	/** Target number of outbound connections to peers we should make. */
-	private int minOutboundPeers = 25;
+	private int minOutboundPeers = 16;
 	/** Maximum number of peer connections we allow. */
-	private int maxPeers = 50;
+	private int maxPeers = 32;
 	/** Maximum number of threads for network engine. */
 	private int maxNetworkThreadPoolSize = 20;