Remove redundant dataflow import

Author: jketema

cpp/common/src/codingstandards/cpp/rules/placementnewinsufficientstorage/PlacementNewInsufficientStorage.qll

@@ -7,7 +7,6 @@ import cpp
 import codingstandards.cpp.Customizations
 import codingstandards.cpp.Exclusions
 import codingstandards.cpp.allocations.PlacementNew
-import semmle.code.cpp.dataflow.DataFlow
 import PlacementNewOriginFlow::PathGraph
 
 abstract class PlacementNewInsufficientStorageSharedQuery extends Query { }

cpp/common/src/codingstandards/cpp/rules/placementnewnotproperlyaligned/PlacementNewNotProperlyAligned.qll

@@ -7,7 +7,6 @@ import cpp
 import codingstandards.cpp.Customizations
 import codingstandards.cpp.Exclusions
 import codingstandards.cpp.allocations.PlacementNew
-import semmle.code.cpp.dataflow.DataFlow
 import PlacementNewOriginFlow::PathGraph
 
 abstract class PlacementNewNotProperlyAlignedSharedQuery extends Query { }