Refactor logging by replacing custom Logger with SLF4J and adapt all usages

src/main/java/com/alttd/playerutils/config/KeyStorage.java

@@ -1,7 +1,7 @@
 package com.alttd.playerutils.config;
 
-import com.alttd.playerutils.util.Logger;
 import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
+import lombok.extern.slf4j.Slf4j;
 import org.bukkit.configuration.ConfigurationSection;
 
 import java.io.File;
@@ -9,24 +9,23 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.UUID;
 
+@Slf4j
 public class KeyStorage extends AbstractConfig {
 
     static KeyStorage config;
-    private final Logger logger;
 
-    public KeyStorage(Logger logger) {
+    public KeyStorage() {
         super(
                 new File(File.separator
                          + "mnt" + File.separator
                          + "configs" + File.separator
                          + "PlayerUtils"),
-                "key_storage.yml", logger);
-        this.logger = logger;
+                "key_storage.yml");
     }
 
-    public static void reload(Logger logger) {
-        logger.info("Reloading key storage");
-        config = new KeyStorage(logger);
+    public static void reload() {
+        log.info("Reloading key storage");
+        config = new KeyStorage();
         config.readConfig(KeyStorage.class, null);
     }
 
@@ -43,13 +42,13 @@ public class KeyStorage extends AbstractConfig {
                 Object2IntOpenHashMap<UUID> count = new Object2IntOpenHashMap<>();
                 ConfigurationSection configurationSection = config.getConfigurationSection(prefix + crate);
                 if (configurationSection == null) {
-                    config.logger.info(String.format("No section yet for crate %s", crate));
+                    log.info("No section yet for crate {}", crate);
                     KEYS.put(crate, count);
                     continue;
                 }
                 List<UUID> uuids = configurationSection.getKeys(false).stream().map(UUID::fromString).toList();
                 if (uuids.isEmpty()) {
-                    config.logger.info(String.format("No keys yet for crate %s", crate));
+                    log.info("No keys yet for crate {}", crate);
                     KEYS.put(crate, count);
                     continue;
                 }
@@ -62,7 +61,7 @@ public class KeyStorage extends AbstractConfig {
         }
 
         public synchronized static void save() {
-            config.logger.info("Saving KeyStorage");
+            log.info("Saving KeyStorage");
             KEYS.keySet()
                     .forEach(crate -> KEYS.get(crate)
                             .forEach((uuid, keys) -> config.set(prefix + crate + ".", uuid.toString(), keys)));