[DOCS] Removing references to ESC (open-edge-platform#335)

Author: sgolebiewski-intel

README.md

@@ -15,7 +15,7 @@ or build your own system, using the existing infrastructure.
 The currently published versions are:
 
 * [Edge Microvisor Toolkit Standalone Node (immutable)](https://github.com/open-edge-platform/edge-microvisor-toolkit-standalone-node)
-* [Edge Microvisor Toolkit Developer Node with or without real time extensions (mutable)](https://edgesoftwarecatalog.intel.com/details/?microserviceType=recipe&microserviceNameForUrl=edge--microvisor-toolkit-development-node)
+* [Edge Microvisor Toolkit Developer Node with or without real time extensions (mutable)](./docs/developer-guide/emt-architecture-overview.md#developer-node-mutable-iso-image)
 * [Edge Microvisor Toolkit (immutable) - Available in Edge Manageability Framework](https://github.com/open-edge-platform/edge-manageability-framework)
 * [Edge Microvisor Toolkit with real time extensions (immutable) - Available in Edge Manageability Framework](https://github.com/open-edge-platform/edge-manageability-framework)
 * [Edge Microvisor Bootkit](./docs/developer-guide/emt-bootkit.md)

docs/developer-guide/get-started/deployment/emt-bare-metal.md

@@ -136,13 +136,8 @@ and flash it on a USB drive.
 
 ## Installing Edge Microvisor Toolkit Standalone Node
 
-To deploy Edge Microvisor Toolkit Standalone Node, use the installer from
-[Intel® Edge Software Catalog](https://edgesoftwarecatalog.intel.com/package/edge_microvisor_toolkit_standalone_node).
-It downloads the default non-RT image and creates a bootable USB drive for the installation
-of the toolkit on the edge node.
-
-You can also prepare a bootable USB drive using
-[source code](https://github.com/open-edge-platform/edge-microvisor-toolkit-standalone-node/blob/main/standalone-node/docs/user-guide/Get-Started-Guide.md#prerequisites) and deploy a selected version of the standalone node.
+Build the OS image and prepare a bootable USB drive, using
+[source code](https://github.com/open-edge-platform/edge-microvisor-toolkit-standalone-node/blob/main/standalone-node/docs/user-guide/Get-Started-Guide.md#prerequisites) to deploy a selected version of the standalone node.
 
 Edge Microvisor Toolkit Standalone Node can be installed from one of available OS
 image versions: