Revert "Update client to reduce delay (no more slow speculos for Stax)"

This reverts commit 186186ab91.

+ new delay for stax/flex

client/src/ledger_app_clients/ethereum/eip712/InputData.py

@@ -332,7 +332,10 @@ def next_timeout(_signum: int, _frame):
 
 
 def enable_autonext():
-    delay = 1/5
+    if app_client._client.firmware.device in ("stax", "flex"):
+        delay = 1/3
+    else:
+        delay = 1/4
     signal.setitimer(signal.ITIMER_REAL, delay, delay)