Revert "bug: syndic does not return in 1 seconds"

This reverts commit 14fb6880543093dff77b9d41f6d16d43167be4bd.

Conflicts:
	salt/client/__init__.py

See my comments on PR#10336. That commit looked wrong to me and I got
no response to my query. It understandable that the change wouldn't have
caused much pain for most people but I suspect that commit 36601005 is
rendered unnecessary by reverting this.
Disable check for all minions returned when using syndic

This optimisation meant that if all minions targeted were connected to
syndics, rather than directly we would never look for events
Backport #14297 to 2014.7