refactor: remove deprecated Oracle Factory methods and documentation

- Removed the `@iexec/iexec-oracle-factory-wrapper` dependency from package.json.
- Deleted Oracle Factory documentation files: oracle-factory.md, advanced-configuration.md, getting-started.md, createOracle.md, readOracle.md, and updateOracle.md.
- Cleaned up related code and references to ensure consistency and maintainability.

Author: Le-Caignec

.vitepress/sidebar.ts

@@ -536,39 +536,6 @@ export function getSidebar() {
               },
             ],
           },
-          {
-            text: '🧙 Oracle Factory',
-            link: '/use-iapp/oracle-factory',
-            collapsed: true,
-            items: [
-              {
-                text: 'Getting Started',
-                link: '/use-iapp/oracle-factory/getting-started',
-              },
-              {
-                text: 'Methods',
-                collapsed: true,
-                items: [
-                  {
-                    text: 'createOracle',
-                    link: '/use-iapp/oracle-factory/methods/createOracle',
-                  },
-                  {
-                    text: 'readOracle',
-                    link: '/use-iapp/oracle-factory/methods/readOracle',
-                  },
-                  {
-                    text: 'updateOracle',
-                    link: '/use-iapp/oracle-factory/methods/updateOracle',
-                  },
-                ],
-              },
-              {
-                text: 'Advanced Configuration',
-                link: '/use-iapp/oracle-factory/advanced-configuration',
-              },
-            ],
-          },
         ],
       },
     ],