Update README.md

README.md

-# !!!NOTE TO ALL USERS!!!
-
-This repository will migrate to the Eclipse Foundation GitLab (https://gitlab.eclipse.org, the exact repository access will be communicated later) on the 20th April 2021.
-
 # titan.EclipsePlug-ins
 
 The Titan Eclipse plug-ins offer a TTCN-3 IDE for the Titan Execution environment.
@@ -28,7 +24,7 @@ http://polarsys.org/sites/default/files/custom_uploads/TITAN%20Datasheet%20A4%20
 
 ## Titan TTCN-3 Compiler and Executor 
 
-* https://github.com/eclipse/titan.core
+* https://gitlab.eclipse.org/eclipse/titan/titan.core
  
 ## Titan test ports and protocol modules