remove empty bibliography

content/zettels/position_jitter_due_to_asynchronous_acquisition.md

@@ -142,9 +142,3 @@ Ideally, this is the control system (i.e. where the feedback controller is imple
 Having a intermediate electronic device (here the PEPU) that triggers the readout of the encoders not in sync with the controller can affect quite negatively the quality of the motion.
 
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-## Bibliography {#bibliography}
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