docs: remove outdated RPC provider info (#2863)

Author: wojciechos

README.md

@@ -37,10 +37,6 @@
   <b>Juno</b> is a golang <a href="https://starknet.io/">Starknet</a> node implementation by <a href="https://nethermind.io/">Nethermind</a> with the aim of decentralising Starknet.
 </p>
 
-> **📌 Looking for a Starknet RPC Provider?**
->
-> Access Nethermind's Starknet RPC service for free at https://data.voyager.online.
-
 ## ⚙️ Installation
 
 ### Prerequisites

docs/docs/intro.md

@@ -49,10 +49,6 @@ import GuideCard from '@site/src/components/GuideCard';
 />
 ```
 
-:::tip
-You can access the Nethermind Starknet RPC service for free at https://data.voyager.online.
-:::
-
 ## Community and support
 
 Join our community for support, engaging discussions, and updates:

docs/versioned_docs/version-0.14.0/intro.md

@@ -49,10 +49,6 @@ import GuideCard from '@site/src/components/GuideCard';
 />
 ```
 
-:::tip
-You can access the Nethermind Starknet RPC service for free at https://data.voyager.online.
-:::
-
 ## Community and support
 
 Join our community for support, engaging discussions, and updates: