Removed some obsolete methods, fixed an issue with the log level not …

src/main/java/com/codedead/opal/OpalApplication.java

@@ -41,10 +41,10 @@ public static void main(final String[] args) {
             final Level level = switch (prop.getProperty("loglevel", "ERROR")) {
                 case "OFF" -> Level.OFF;
                 case "FATAL" -> Level.FATAL;
-                case "ERROR" -> Level.ERROR;
                 case "WARN" -> Level.WARN;
                 case "DEBUG" -> Level.DEBUG;
                 case "TRACE" -> Level.TRACE;
+                case "INFO" -> Level.INFO;
                 case "ALL" -> Level.ALL;
                 default -> Level.ERROR;
             };

src/main/java/com/codedead/opal/controller/MainWindowController.java

@@ -336,15 +336,6 @@ public void run() {
         }
     }
 
-    /**
-     * Get the {@link UpdateController} object
-     *
-     * @return The {@link UpdateController} object
-     */
-    public UpdateController getUpdateController() {
-        return updateController;
-    }
-
     /**
      * Method that is invoked to initialize the FXML object
      */

src/main/java/com/codedead/opal/controller/UpdateController.java

@@ -190,15 +190,6 @@ public void setUpdateUrl(final String updateUrl) {
         this.updateUrl = updateUrl;
     }
 
-    /**
-     * Get the current version
-     *
-     * @return The current version
-     */
-    public String getCurrentVersion() {
-        return currentVersion;
-    }
-
     /**
      * Set the current version
      *

src/main/java/com/codedead/opal/domain/InvalidHttpResponseCodeException.java

@@ -2,13 +2,6 @@
 
 public final class InvalidHttpResponseCodeException extends Exception {
 
-    /**
-     * Initialize a new InvalidHttpResponseCodeException
-     */
-    public InvalidHttpResponseCodeException() {
-        super();
-    }
-
     /**
      * Initialize a new InvalidHttpResponseCodeException
      *