Remove "(ignored)" from errors in nix flake check --keep-going

Author: roberth

src/nix/flake.cc

@@ -367,7 +367,7 @@ struct CmdFlakeCheck : FlakeCommand
                 throw;
             } catch (Error & e) {
                 if (settings.keepGoing) {
-                    ignoreExceptionExceptInterrupt();
+                    logError(e.info());
                     hasErrors = true;
                 } else
                     throw;