remove redundant lines

beamlinetools/BEAMLINE_CONFIG/beamline.py

@@ -25,10 +25,6 @@ get_ipython().register_magics(BlueskyMagics)
 # simulated devices
 from ophyd.sim import det1, det2, det3, det4, motor1, motor2, motor, noisy_det   # two simulated detectors
 
-from beamlinetools.devices.accelerator import DetailedAccelerator, TopUpMonitoring
-from beamlinetools.devices.mca_old import xMap
-
-
 ### SECoP-Ophyd Device ###
 
 from .base import RE