sm8450-common: Drop zygote critical window property

Change-Id: I9abc3127b20166e67b3e7d51810a78c7fb493b66

properties/vendor.prop

@@ -198,6 +198,3 @@ vendor.usb.use_gadget_hal=0
 
 # WiFi
 wifi.aware.interface=wifi-aware0
-
-# Zygote
-zygote.critical_window.minute=10