Remove -f flag in wait when manually trap signal (#3182)

* Remove -f flag in wait when manually trap signal

* Remove extra empty line

src/Misc/layoutroot/run.sh

@@ -38,7 +38,7 @@ runWithManualTrap() {
         cp -f "$DIR"/run-helper.sh.template "$DIR"/run-helper.sh
         "$DIR"/run-helper.sh $* &
         PID=$!
-        wait -f $PID
+        wait $PID
         returnCode=$?
         if [[ $returnCode -eq 2 ]]; then
             echo "Restarting runner..."
@@ -84,4 +84,4 @@ if [[ -z "$RUNNER_MANUALLY_TRAP_SIG" ]]; then
     run $*
 else
     runWithManualTrap $*
-fi
+fi