1010: Fixed the two remaining SonarCloud errors (#1023)

The two remaining files were still creating a Random everytime the method
was called. These were missed in the previous commit because the previous
commit had fixed only one of the methods; in other words, there were
multiple methods that were creating the Random object on each call.

hexagonal/src/main/java/com/iluwatar/hexagonal/sampledata/SampleData.java

@@ -102,8 +102,7 @@ public class SampleData {
   }
 
   private static PlayerDetails getRandomPlayerDetails() {
-    Random random = new Random();
-    int idx = random.nextInt(PLAYERS.size());
+    int idx = RANDOM.nextInt(PLAYERS.size());
     return PLAYERS.get(idx);
   }
 }