Fix: sonarqube smells

Author: lduchosal

src/System.Net.IPNetwork/IPNetwork2Contains.cs

@@ -70,7 +70,7 @@ public bool Contains(IPAddress contains)
 
         BigInteger uintNetwork = this.InternalNetwork;
         BigInteger
-            uintBroadcast = this.InternalBroadcast; // CreateBroadcast(ref uintNetwork, this._netmask, this._family);
+            uintBroadcast = this.InternalBroadcast;
         var uintAddress = ToBigInteger(contains);
 
         bool result = uintAddress >= uintNetwork
@@ -93,12 +93,12 @@ public bool Contains(IPNetwork2 contains)
 
         BigInteger uintNetwork = this.InternalNetwork;
         BigInteger
-            uintBroadcast = this.InternalBroadcast; // CreateBroadcast(ref uintNetwork, this._netmask, this._family);
+            uintBroadcast = this.InternalBroadcast;
 
         BigInteger uintFirst = contains.InternalNetwork;
         BigInteger
             uintLast = contains
-                .InternalBroadcast; // CreateBroadcast(ref uintFirst, network2._netmask, network2._family);
+                .InternalBroadcast;
 
         bool result = uintFirst >= uintNetwork
                       && uintLast <= uintBroadcast;

src/TestProject/IPNetworkTest/IPNetworkParseTests.cs

@@ -581,7 +581,8 @@ public void TestParseIPAddressNoNetmask5()
     public void TestParseIPAddressNoNetmask127001()
     {
         string ipaddress = "127.0.0.1";
-        IPNetwork2.TryParse(ipaddress, out IPNetwork2 result);
+        bool parsed = IPNetwork2.TryParse(ipaddress, out IPNetwork2 result);
+        Assert.IsTrue(parsed);
         Assert.AreEqual(8, result.Cidr);
     }