cheriot: leave cpu halted

For consistency with other .resc's; leave the core halted.

Bypass-Presubmit-Reason: no sencha CI tests

Change-Id: I62c64f8648cb997c9e7daf00c8f36720c609ab94
diff --git a/cheriot.resc b/cheriot.resc
index f5e5018..789330e 100644
--- a/cheriot.resc
+++ b/cheriot.resc
@@ -51,5 +51,3 @@
 sysbus LoadELF $cheriot_elf false false
 
 sysbus.cpu1 SymbolFile $cheriot_elf
-sysbus.cpu1 IsHalted false
-