refactor: remove redundant global declarations from ESLint config

- Remove explicit fetch, setTimeout, clearTimeout declarations from sharedGlobals
- These globals are already included in globals.browser
- Eliminates duplication and improves maintainability

Author: AlmostBald-TRADING

clients/typescript/eslint.config.js

@@ -32,9 +32,6 @@ const sharedGlobals = {
   Response: 'readonly',
   RequestInit: 'readonly',
   AbortController: 'readonly',
-  fetch: 'readonly',
-  setTimeout: 'readonly',
-  clearTimeout: 'readonly',
 };
 
 export default [