cleanup: remove unnecessary interface modifiers

src/main/java/net/server/services/SchedulerListener.java

@@ -26,5 +26,5 @@ import java.util.List;
  * @author Ronan
  */
 public interface SchedulerListener {
-    public void removedScheduledEntries(List<Object> entries, boolean update);
+    void removedScheduledEntries(List<Object> entries, boolean update);
 }

src/main/java/net/server/services/ServiceType.java

@@ -24,7 +24,7 @@ package net.server.services;
  * @author Ronan
  */
 public interface ServiceType <T extends Enum<?>> {
-    public abstract Service createService();
-    public int ordinal();
-    public T[] enumValues();
+    Service createService();
+    int ordinal();
+    T[] enumValues();
 }