Do not switch to the modeling perspective when importing

Signed-off-by: Alexander Diewald <diewald@fortiss.org>

org.fortiss.af3.rcp.application/src/org/fortiss/af3/rcp/application/handler/.ratings

-ApplicationCommandHandler.java 904ca1f838304623fd102a4ee9e26479f4070b64 GREEN
+ApplicationCommandHandler.java 72c3dfb65cea1db71dc27c9481d499cad91082e8 GREEN

org.fortiss.af3.rcp.application/src/org/fortiss/af3/rcp/application/handler/ApplicationCommandHandler.java

@@ -360,9 +360,6 @@ public class ApplicationCommandHandler {
 		/** Execute definition that imports an existing AF3-Project. */
 		@Override
 		public Object execute(ExecutionEvent event) {
-			// Ensure existence of generic project and enable AF3 Perspective.
-			switchToAF3Perspective();
-
 			// Open file selection dialog to select the file to be imported.
 			String importFile = fileSelectionDialog();