Removed unnecessary forwards and imports of JSON and doc_mptr in ModificationBlocks.

arangod/Aql/ModificationBlocks.cpp

@@ -25,7 +25,6 @@
 #include "Aql/AqlValue.h"
 #include "Aql/Collection.h"
 #include "Aql/ExecutionEngine.h"
-#include "Basics/json-utilities.h"
 #include "Basics/Exceptions.h"
 #include "Cluster/ClusterMethods.h"
 #include "VocBase/vocbase.h"
@@ -37,9 +36,6 @@
 
 using namespace arangodb::aql;
 
-using Json = arangodb::basics::Json;
-using JsonHelper = arangodb::basics::JsonHelper;
-
 ModificationBlock::ModificationBlock(ExecutionEngine* engine,
                                      ModificationNode const* ep)
     : ExecutionBlock(engine, ep),

arangod/Aql/ModificationBlocks.h

@@ -30,10 +30,6 @@
 #include "Aql/ModificationNodes.h"
 #include "Utils/AqlTransaction.h"
 
-struct TRI_df_marker_t;
-struct TRI_doc_mptr_t;
-struct TRI_json_t;
-
 namespace arangodb {
 namespace aql {
 struct Collection;