Remove commented out code

Author: jeongsoolee09

javascript/frameworks/ui5/lib/advanced_security/javascript/frameworks/ui5/dataflow/DataFlow.qll

@@ -4,7 +4,6 @@ import advanced_security.javascript.frameworks.ui5.UI5
 import advanced_security.javascript.frameworks.ui5.UI5View
 import advanced_security.javascript.frameworks.ui5.RemoteFlowSources
 import advanced_security.javascript.frameworks.ui5.dataflow.FlowSteps
-// private import StdLibDataFlow::DataFlow::PathGraph as DataFlowPathGraph
 private import PatchDataFlow
 
 /**