USE_MEMPOOL is not defined anywhere

Change-Id: I4d3c87aac31c6690cd061ce41e7efae113055c12

sc/inc/formulacell.hxx

@@ -164,10 +164,6 @@ public:
 
     enum CompareState { NotEqual = 0, EqualInvariant, EqualRelativeRef };
 
-#ifdef USE_MEMPOOL
-    DECL_FIXEDMEMPOOL_NEWDEL( ScFormulaCell )
-#endif
-
     ScAddress       aPos;
 
                     virtual ~ScFormulaCell();

sc/source/core/data/formulacell.cxx

@@ -66,10 +66,6 @@
 
 using namespace formula;
 
-#ifdef USE_MEMPOOL
-IMPL_FIXEDMEMPOOL_NEWDEL( ScFormulaCell )
-#endif
-
 #define DEBUG_CALCULATION 0
 #if DEBUG_CALCULATION
 static ScAddress aDebugCalculationTriggerAddress(1,2,0);    // Sheet1.B3, whatever you like