Fixed double method call issue in Configuration class

Author: AdixePL

src/main/java/me/adixe/commonutilslib/configuration/Configuration.java

@@ -132,7 +132,7 @@ private String load(File file) throws IOException {
 
         String name = formatName(file);
 
-        configurationFiles.put(formatName(file), yamlFile);
+        configurationFiles.put(name, yamlFile);
 
         return name;
     }