fix: Fixed redundant key input fields and corrected formatting on the frontend. (#566)

* Eliminate redundant key input fields in the front-end.

* go / react Formatting.

web/src/components/AITradersPage.tsx

@@ -1936,28 +1936,6 @@ function ExchangeConfigModal({
                       />
                     </div>
 
-                    <div>
-                      <label
-                        className="block text-sm font-semibold mb-2"
-                        style={{ color: '#EAECEF' }}
-                      >
-                        {t('secretKey', language)}
-                      </label>
-                      <input
-                        type="password"
-                        value={secretKey}
-                        onChange={(e) => setSecretKey(e.target.value)}
-                        placeholder={t('enterSecretKey', language)}
-                        className="w-full px-3 py-2 rounded"
-                        style={{
-                          background: '#0B0E11',
-                          border: '1px solid #2B3139',
-                          color: '#EAECEF',
-                        }}
-                        required
-                      />
-                    </div>
-
                     {selectedExchange.id === 'okx' && (
                       <div>
                         <label