eas_send_to_sync() + EVO2: remove unused "cancellable" variable
eas_send_to_sync() + EVO2: remove unused "cancellable" variable

The methods in eas_send_to_sync() do not take a GCancellable
parameter and thus the local variable is redundant.

simo5/evolution-activesync,simo5/evolution-activesync,simo5/evolution-activesync