refactor: Simplify handling of base model path mappings and download path templates by removing unnecessary JSON.stringify calls

py/routes/misc_routes.py

@@ -1,4 +1,3 @@
-import json
 import logging
 import os
 import sys
@@ -183,16 +182,6 @@ class MiscRoutes:
                     if old_path != value:
                         logger.info(f"Example images path changed to {value} - server restart required")
                 
-                # Special handling for base_model_path_mappings - parse JSON string
-                if (key == 'base_model_path_mappings' or key == 'download_path_templates') and value:
-                    try:
-                        value = json.loads(value)
-                    except json.JSONDecodeError:
-                        return web.json_response({
-                            'success': False,
-                            'error': f"Invalid JSON format for base_model_path_mappings: {value}"
-                        })
-                
                 # Save to settings
                 settings.set(key, value)