Revert "Update index.md"

This reverts commit f4707b3c.

webapp-landingpage/index.md

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 Use GlycoSHIELD to graft glycan conformers on protein structures.
 Please find all details in our paper
-https://www.biorxiv.org/content/10.1101/2021.08.04.455134v3
-;[Tsai et al., 2024, Cell 187, 1–16, February 29, 2024](https://doi.org/10.1016/j.cell.2024.01.034){:target="_blank"}
+[Tsai et al., 2024, Cell 187, 1–16, February 29, 2024](https://doi.org/10.1016/j.cell.2024.01.034){:target="_blank"}
 
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