Refactor ITPSRetriever and ServerPulseAPI to remove default method implementations for TPS retrieval

Author: renvins

api/src/main/java/it/renvins/serverpulse/api/ServerPulseAPI.java

@@ -26,8 +26,11 @@ public interface ServerPulseAPI {
      * Retrieves the instance of ITPSRetriever.
      *
      * @return The ITPSRetriever instance.
+     * @throws UnsupportedOperationException if the API implementation does not support TPS retrieval.
      */
-    ITPSRetriever getTPSRetriever();
+    default ITPSRetriever getTPSRetriever() {
+        throw new UnsupportedOperationException("TPSRetriever is not supported in this API implementation.");
+    }
 
     /**
      * Retrieves the instance of IDiskRetriever.

api/src/main/java/it/renvins/serverpulse/api/metrics/ITPSRetriever.java

@@ -9,9 +9,6 @@ public interface ITPSRetriever {
      *         The first value is the average TPS over the last minute,
      *         the second value is the average TPS over the last 5 minutes,
      *         and the third value is the average TPS over the last 15 minutes.
-     * @throws UnsupportedOperationException if the platform does not support this operation.
      */
-    default double[] getTPS() {
-        throw new UnsupportedOperationException("This method is not supported on this platform.");
-    }
+     double[] getTPS();
 }