These patches remove timer code which is no longer needed and try to improve the remaining code.
[PATCH 1/5] qemu-timer: Remove redundant include statements [PATCH 2/5] qemu-timer: Remove unused function qemu_alarm_pending [PATCH 3/5] qemu-timer: Use bool, false, true for boolean values [PATCH 4/5] qemu-timer: Remove function alarm_has_dynticks [PATCH 5/5] qemu-timer: Optimize data structures