remove link to FRC WP

Author: DmitriiVulbrun

run-on-lido/stvaults/index.md

@@ -28,9 +28,8 @@ Have your own custom product in mind? [Contact us](https://tally.so/r/mVrkZa)!
 ### Essentials
 
 1. [📘 **Lido V3 Technical Paper**](/lido-v3-whitepaper) — Complete technical specification with PDF preview
-2. [[RFC] stVaults Whitepaper](https://hackmd.io/@lido/B1NuB15-gx)
-3. [[Forum post] Risk assessment framework](https://research.lido.fi/t/risk-assessment-framework-for-stvaults/9978/4)
-4. [[Forum post] Fees structure and charging logic](https://research.lido.fi/t/default-risk-assessment-framework-and-fees-parameters-for-lido-v3-stvaults/10504)
+2. [[Forum post] Risk assessment framework](https://research.lido.fi/t/risk-assessment-framework-for-stvaults/9978/4)
+3. [[Forum post] Fees structure and charging logic](https://research.lido.fi/t/default-risk-assessment-framework-and-fees-parameters-for-lido-v3-stvaults/10504)
 
 ### 🔧 Tools