Remove MPRv2 conversion info from documentation

Removed information about converting *.mpr* to MPRv2 format.

Author: tknippenberg

content/en/docs/refguide/version-control/_index.md

@@ -98,10 +98,6 @@ The Repository Service manages communication between Studio Pro and other suppor
 
 An app modeled in Mendix is stored in an *.mpr* file, a database that contains data on all documents, such as microflows, workflows, pages. Studio Pro or the [mx Command-Line Tool](/refguide/mx-command-line-tool/) is required to inspect changes in the *.mpr*.
 
-{{% alert color="info" %}}
-You can convert *.mpr* to a new [MPRv2 storage format](/refguide/troubleshoot-repository-size/#mpr-format) to slow down the repository growth and to prevent degrading performance. This is currently in beta.
-{{% /alert %}}
-
 {{% alert color="warning" %}}
 Manually modifying files belonging to the *.mpr* storage format such as the *.mpr* file or the *mprcontents* directory (for example, when resolving file conflicts through third-party tooling), will lead to a corrupted state. To recover from a corrupted state a previous commit will need to be restored. 
 {{% /alert %}}