remove empty bibliography

content/zettels/fractional_order_transfer_functions.md

@@ -43,9 +43,3 @@ Few examples of different slopes are shown in [Figure 1](#figure--fig:approximat
 <a id="figure--fig:approximate-deriv-int"></a>
 
 {{< figure src="/ox-hugo/approximate_deriv_int.png" caption="<span class='figure-number'>Figure 1: </span>Example of fractional approximations" >}}
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-## Bibliography {#bibliography}
-
-<style>.csl-entry{text-indent: -1.5em; margin-left: 1.5em;}</style><div class="csl-bib-body">
-</div>