Examples fix link (#433)

* remove mention of pgas

* Revert "Merge branch 'main' of https://github.com/pyth-network/documentation"

This reverts commit b2cc20f, reversing
changes made to 20caa0e.

* (fix) fix link in examples

* (fix) typo in S_p

Author: YaserJazouane

pages/home/oracle-integrity-staking/examples.mdx

@@ -14,7 +14,7 @@ $$
 \begin{aligned}
 {S^p_p} &= 100 \\
 {S^d_p} &= 0 \\
-{S^p} &= {S^p_p} + {S^d_p} = 100 + 0 = 100 \\
+{S_p} &= {S^p_p} + {S^d_p} = 100 + 0 = 100 \\
 {C}_p &= 500 \\
 \text{Total Amount eligible for Rewards} \quad{E_p} &= min({S}_p, {C}_p) = min(500, 100) = 100 \\
 \text{Annual Rate of Rewards} \quad{r} &= 10\% \\