Revert "Fixing an IllegalArgumentException related to custom repair configs."

This reverts commit 3036d4fa9097800373d706a8e05764b8cc240da2.

src/main/java/com/gmail/nossr50/config/ConfigLoader.java

@@ -46,13 +46,7 @@ public abstract class ConfigLoader {
         }
 
         config = YamlConfiguration.loadConfiguration(configFile);
-        InputStream resource = plugin.getResource(fileName);
-
-        if (resource == null) {
-            return;
-        }
-
-        FileConfiguration internalConfig = YamlConfiguration.loadConfiguration(resource);
+        FileConfiguration internalConfig = YamlConfiguration.loadConfiguration(plugin.getResource(fileName));
 
         Set<String> configKeys = config.getKeys(true);
         Set<String> internalConfigKeys = internalConfig.getKeys(true);