Remove the dead static_npc_mobbase_stats loader

MobBase builds its stats from the race rune's rune_attr_adj since 3.2, so
LOAD_STATS and the MobBaseStats ResultSet constructor have no callers.
No value change. The table is dropped by sql/3.6-mob-stats-resists-drop.sql.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/engine/objects/MobBaseStats.java

@@ -12,9 +12,6 @@ package engine.objects;
 import engine.mbEnums;
 import engine.parsers.objects.RuneTemplate;
 
-import java.sql.ResultSet;
-import java.sql.SQLException;
-
 public class MobBaseStats {
 
     public static MobBaseStats mbs = null;
@@ -24,18 +21,6 @@ public class MobBaseStats {
     private final int baseSpi;
     private final int baseDex;
 
-
-    /**
-     * ResultSet Constructor
-     */
-    public MobBaseStats(ResultSet rs) throws SQLException {
-        this.baseStr = rs.getInt("Strength");
-        this.baseInt = rs.getInt("Intelligence");
-        this.baseCon = rs.getInt("Constitution");
-        this.baseSpi = rs.getInt("Spirit");
-        this.baseDex = rs.getInt("Dexterity");
-    }
-
     public MobBaseStats(RuneTemplate rune) {
         this.baseStr = rune.rune_attr_adj.getOrDefault(mbEnums.AttributeType.Strength, 0);
         this.baseInt = rune.rune_attr_adj.getOrDefault(mbEnums.AttributeType.Intelligence, 0);