[Spread] remove unused includes

- also sort includes
- also additions to precompiled header

src/Mod/Spreadsheet/App/SheetPyImp.cpp

@@ -24,16 +24,16 @@
 #include "PreCompiled.h"
 
 #include <boost/tokenizer.hpp>
-#include <Base/Exception.h>
-#include <Mod/Spreadsheet/App/Sheet.h>
-#include <App/PropertyStandard.h>
-#include "Utils.h"
-#include <App/Range.h>
 
+#include <App/Range.h>
+#include <Base/Exception.h>
+
+#include "Sheet.h"
 // inclusion of the generated files (generated out of SheetPy.xml)
 #include "SheetPy.h"
 #include "SheetPy.cpp"
 
+
 using namespace Spreadsheet;
 using namespace App;