chore: simplify code by using spring context lazy annotation

Author: duruer

src/main/kotlin/co/statu/rule/database/DatabaseManager.kt

@@ -10,6 +10,7 @@ import io.vertx.core.json.JsonObject
 import io.vertx.jdbcclient.JDBCPool
 import org.slf4j.Logger
 import org.springframework.beans.factory.config.ConfigurableBeanFactory
+import org.springframework.context.annotation.Lazy
 import org.springframework.context.annotation.Scope
 import org.springframework.stereotype.Component
 import java.sql.BatchUpdateException
@@ -20,12 +21,8 @@ import kotlin.system.exitProcess
 class DatabaseManager(
     private val vertx: Vertx,
     private val logger: Logger,
-    private val databasePlugin: DatabasePlugin
+    @Lazy private val pluginConfigManager: PluginConfigManager<DatabaseConfig>
 ) {
-    private val pluginConfigManager by lazy {
-        databasePlugin.pluginBeanContext.getBean(PluginConfigManager::class.java) as PluginConfigManager<DatabaseConfig>
-    }
-
     private lateinit var pool: JDBCPool
 
     private val tables = mutableMapOf<ParsekPlugin, MutableList<Dao<*>>>()

…/statu/rule/database/CoreEventHandler.kt …/rule/database/event/CoreEventHandler.ktsrc/main/kotlin/co/statu/rule/database/CoreEventHandler.kt renamed to src/main/kotlin/co/statu/rule/database/event/CoreEventHandler.kt src/main/kotlin/co/statu/rule/database/CoreEventHandler.kt renamed to src/main/kotlin/co/statu/rule/database/event/CoreEventHandler.kt

@@ -1,22 +1,22 @@
-package co.statu.rule.database
+package co.statu.rule.database.event
 
 import co.statu.parsek.PluginEventManager
 import co.statu.parsek.api.annotation.EventListener
 import co.statu.parsek.api.config.PluginConfigManager
 import co.statu.parsek.api.event.CoreEventListener
 import co.statu.parsek.config.ConfigManager
-import co.statu.rule.database.event.DatabaseEventListener
+import co.statu.rule.database.DatabaseConfig
+import co.statu.rule.database.DatabaseManager
+import co.statu.rule.database.DatabasePlugin
 import org.slf4j.Logger
+import org.springframework.context.annotation.Lazy
 
 @EventListener
 class CoreEventHandler(
     private val logger: Logger,
     private val databasePlugin: DatabasePlugin,
+    @Lazy private val databaseManager: DatabaseManager
 ) : CoreEventListener {
-    private val databaseManager by lazy {
-        databasePlugin.pluginBeanContext.getBean(DatabaseManager::class.java)
-    }
-
     override suspend fun onConfigManagerReady(configManager: ConfigManager) {
         val pluginConfigManager = PluginConfigManager(
             databasePlugin,