Add trace eraser tool for privacy

- New tool: erase-toolkit-traces.sh removes all toolkit traces
- Cleans bash history for all users
- Removes toolkit mentions from system logs
- Deletes download artifacts and temp files
- Optional: complete toolkit directory removal
- Added to main menu as option 10

launcher.sh

@@ -115,6 +115,7 @@ show_main_menu() {
     echo ""
     echo -e "  ${YELLOW}8)${NC} 🗑️  Cleanup / Reset            - Clear all learned data"
     echo -e "  ${YELLOW}9)${NC} ⚙️  Configuration"
+    echo -e "  ${RED}10)${NC} 🔥 Erase All Traces          - Remove toolkit from history/logs"
     echo ""
     echo -e "  ${RED}0)${NC} Exit"
     echo ""
@@ -1317,6 +1318,7 @@ main() {
             7) handle_reporting_menu ;;
             8) cleanup_all_data ;;
             9) edit_config ;;
+            10) bash "$BASE_DIR/tools/erase-toolkit-traces.sh" ;;
             0)
                 echo ""
                 echo -e "${GREEN}Thanks for using Server Management Toolkit!${NC}"