remove empty bibliography

content/zettels/motor_commutation.md

@@ -93,9 +93,3 @@ I\_{q} &= I\_{\beta}  \cos(\theta) - I\_{\alpha} \sin(\theta)
 I\_{\alpha} &= I\_d \cos(\theta) - I\_q \sin(\theta) \\\\
 I\_{\beta}  &= I\_d \sin(\theta) + I\_q \cos(\theta)
 \end{align}
-
-
-## Bibliography {#bibliography}
-
-<style>.csl-entry{text-indent: -1.5em; margin-left: 1.5em;}</style><div class="csl-bib-body">
-</div>