Update 02-getting-started.mdx

Author: olgahryniuk

docs/cardano-testnets/02-getting-started.mdx

@@ -36,7 +36,6 @@ technical expertise, and personal preferences.
 
 For more information on the various options, see:
 
-- [Installing the node](https://developers.cardano.org/docs/get-started/cardano-node/installing-cardano-node)
 - [Cardano course: building the node](https://cardano-course.gitbook.io/cardano-course/handbook/module-1-build-and-run-the-node/building-the-node).
 
 ## Configurations
@@ -56,7 +55,6 @@ than Plutus V1 scripts. Plutus V1 scripts, however, are still supported.
 
 For more details, see:
 
-- [Running the node](https://developers.cardano.org/docs/get-started/cardano-node/running-cardano)
 - [Cardano course: running the node and connecting to a network](https://cardano-course.gitbook.io/cardano-course/handbook/module-1-build-and-run-the-node/running-the-node-and-connecting-to-a-network).
 
 ## Working with the Cardano testnets