Fix: Updated tooltip for Default Maintenance Time

Updated the tooltip for the 'Default Maintenance Time' label to provide a clearer explanation of its function. This setting now accurately describes its role in modifying maintenance time for new units.

MekHQ/resources/mekhq/resources/CampaignOptionsDialog.properties

@@ -34,7 +34,7 @@ lblMaintenanceDays.text=Maintenance cycle length in days
 lblMaintenanceBonus.text=Maintenance modifier
 spnMaintenanceBonus.toolTipText=When checking by parts, Strat Ops applies a -1 bonus to the maintenance check target - you can change this modifier with this value
 lblDefaultMaintenanceTime.text=Default Maintenance Time
-lblDefaultMaintenanceTime.toolTipText=PLACEHOLDER
+lblDefaultMaintenanceTime.toolTipText=This setting determines the maintenance time modifier applied to all new units.
 useQualityMaintenance.text=Use quality modifiers in maintenance checks
 useQualityMaintenance.toolTipText=If checked, quality modifiers will be added to maintenance checks (WARNING: this will lead to unstable quality ratings over time)
 reverseQualityNames.text=Reverse quality names (Resets Finance Tab)

MekHQ/src/mekhq/gui/adapter/UnitTableMouseAdapter.java

@@ -56,8 +56,6 @@
 import mekhq.gui.model.UnitTableModel;
 import mekhq.gui.utilities.JMenuHelpers;
 import mekhq.gui.utilities.StaticChecks;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
 
 import javax.swing.*;
 import java.awt.event.ActionEvent;
@@ -74,7 +72,6 @@
 
 public class UnitTableMouseAdapter extends JPopupMenuAdapter {
     private static final MMLogger logger = MMLogger.create(UnitTableMouseAdapter.class);
-    private static final Logger log = LogManager.getLogger(UnitTableMouseAdapter.class);
 
     // region Variable Declarations
     private CampaignGUI gui;