remove outdated reference

Author: smol-ninja

docs/concepts/11-governance.mdx

@@ -65,7 +65,6 @@ Despite having an admin, the Sablier Protocol remains trustless. Here's why:
 2. The protocol is persistent, i.e. the admin cannot pause it.
 3. The streaming logic is non-upgradeable, i.e. the admin cannot tamper with the streams created by users.
 4. There are no escape hatches that allow the admin to claim user funds.
-5. There is a hard-coded upper limit of 10% to the fees that the admin can charge.
 
 ## Timelocks