Update design-philosophy.rst

Author: Evolutionary-Intelligence

docs/sphinx/source/design-philosophy.rst

@@ -183,9 +183,6 @@ refer to the `Development Guide <https://pypop.readthedocs.io/en/latest/developm
 * 2024: `Metaheuristics exposed: Unmasking the design pitfalls of *** optimization
   algorithm in benchmarking
   <https://www.sciencedirect.com/science/article/abs/pii/S1568494624004708>`_
-* 2024: `Comprehensive taxonomies of nature- and bio-inspired optimization: Inspiration
-  versus algorithmic behavior, critical analysis and recommendations (from 2020 to 2024)
-  <https://arxiv.org/abs/2002.08136>`_