Update README.md (#1029)

Author: larshp

README.md

@@ -9,11 +9,4 @@ For use with latest https://github.com/abaplint/transpiler
 - To ensure the stuff works you need to have [nodejs](https://nodejs.org) installed
 - run `npm install`
 - run `npm test` (please beware that tests must pass for PR to be accepted)
-- to add new functionality please cover it with unit tests appropriately
-
-## Add-ons
-
-* [open-abap-gui](https://github.com/open-abap/open-abap-gui) SAP GUI related classes/functionality
-* [open-abap-odata](https://github.com/open-abap/open-abap-odata) OData/Gateway shims
-* [open-abap-bal](https://github.com/open-abap/open-abap-bal) BAL logging
-* [shims-rfc](https://github.com/open-abap/shims-rfc) Shims for tRFC + qRFC + bgRFC
+- to add new functionality please cover it with unit tests