Replace comment by LOGGER

src/main/java/org/jabref/gui/LibraryTab.java

@@ -262,11 +262,7 @@ private void onDatabaseLoadingFailed(Exception ex) {
 
     private void setDatabaseContext(BibDatabaseContext bibDatabaseContext) {
         if (this.getTabPane().getSelectionModel().selectedItemProperty().get().equals(this)) {
-            // If you open an existing library, a library tab with a loading animation is added immediately.
-            // At that point, the library tab is given a temporary (TODO null?) bibDatabaseContext with no entries.
-            // This line is necessary because, while there is already a binding that updates the active database when a new tab is added,
-            // it doesn't handle the case when a library is loaded asynchronously.
-            // See org.jabref.gui.LibraryTab.createLibraryTab for the asynchronous loading.
+            LOGGER.debug("This case should not happen.");
             stateManager.setActiveDatabase(bibDatabaseContext);
         }