Remove EpicsCAOptions class (#264)

This is unused since #227

Author: GDYendell

docs/snippets/static05.py

@@ -4,9 +4,8 @@
 from fastcs.controller import Controller
 from fastcs.datatypes import String
 from fastcs.launch import FastCS
-from fastcs.transport.epics.ca.options import EpicsGUIOptions
 from fastcs.transport.epics.ca.transport import EpicsCATransport
-from fastcs.transport.epics.options import EpicsIOCOptions
+from fastcs.transport.epics.options import EpicsGUIOptions, EpicsIOCOptions
 
 
 class TemperatureController(Controller):