remove empty bibliography

content/zettels/tip_tilt_mirrors.md

@@ -22,9 +22,3 @@ Tags
 | [Maradin](http://www.maradin.co.il/products/mar1100-mems-2d-laser-scanning-mirror/)            | Israel      |
 | [Opus](http://www.opusmicro.com/mems_en.html)                                                  | Taiwan      |
 | [Ulsis](https://www.ulsis.com/)                                                                | Turc        |
-
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-## Bibliography {#bibliography}
-
-<style>.csl-entry{text-indent: -1.5em; margin-left: 1.5em;}</style><div class="csl-bib-body">
-</div>