revert changes to deepmd-kit driven paper lists (#324)

* Revert "Update index.md (#308)"

This reverts commit e863230.

* Revert "Update index.md (#289)"

This reverts commit bba6a1a.

Author: njzjz

source/papers/deepmd-kit/index.md

@@ -1,23 +1,15 @@
 ---
 title: Publications driven by DeePMD-kit
 date: 2022-05-01
-update: 2025-06-23
+update: 2024-06-30
 mathjax: true
 ---
 
 The following publications have used the DeePMD-kit software. Publications that only mentioned the DeePMD-kit will not be included below.
 
 We encourage explicitly mentioning DeePMD-kit with proper citations in your publications, so we can more easily find and list these publications.
 
-Last update date: June 23, 2025
-
-
-## 2025
-{% publications %}
-Zeng_JChemTheoryComput_2025_v21_p4375,
-Zeng_JChemInfModel_2025_v65_p3154,
-Dai_AdvPhysRes_2025_v4
-{% endpublications %}
+Last update date: June 30, 2024
 
 ## 2024
 {% publications %}