walletsBalance.sh: Clean silkaj error

scripts/walletsBalance.sh

@@ -13,7 +13,7 @@ rm -f silkaj_error.log
 work() {
     for i in $wallets; do
         exec() {
-            balance=$(silkaj -p $node balance $i)
+            balance=$(silkaj -p $node balance $i 2>/dev/null)
         }
         exec
         while [[ $? == 1 ]]; do echo "Erreur $i $k" | tee -a silkaj_error.log; ((k++)); exec; done