Revert conf_client.yml to default settings

This file contains user-specific config and shouldn't be modified in the PR.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: fengtality

bots/credentials/master_account/conf_client.yml

@@ -112,7 +112,7 @@ anonymized_metrics_mode:
 
 # A source for rate oracle, currently ascend_ex, binance, coin_gecko, coin_cap, kucoin, gate_io
 rate_oracle_source:
-  name: gate_io
+  name: binance
 
 # A universal token which to display tokens values in, e.g. USD,EUR,BTC
 global_token:
@@ -133,6 +133,7 @@ tables_format: psql
 
 paper_trade:
   paper_trade_exchanges:
+  - binance
   - kucoin
   - ascend_ex
   - gate_io