[App] remove unused code and some header sorting

src/App/Origin.cpp

@@ -28,13 +28,13 @@
 #include <string>
 #endif
 
+#include <App/Document.h>
 #include <Base/Exception.h>
 #include <Base/Placement.h>
 
-#include <App/Document.h>
+#include "Origin.h"
 #include "OriginFeature.h"
 
-#include "Origin.h"
 
 #ifndef M_PI
 #define M_PI       3.14159265358979323846

src/App/OriginFeature.cpp

@@ -22,13 +22,10 @@
 
 #include "PreCompiled.h"
 
-#ifndef _PreComp_
-#endif
-
+#include "OriginFeature.h"
 #include "Document.h"
 #include "Origin.h"
 
-#include "OriginFeature.h"
 
 using namespace App;
 

src/App/OriginGroupExtension.cpp

@@ -21,18 +21,16 @@
  ***************************************************************************/
 
 #include "PreCompiled.h"
-#include "OriginGroupExtension.h"
 
-#ifndef _PreComp_
-#endif
-
-#include <Base/Exception.h>
-#include <Base/Console.h>
-#include <Base/Tools.h>
 #include <App/Document.h>
+#include <Base/Console.h>
+#include <Base/Exception.h>
+#include <Base/Tools.h>
+
+#include "OriginGroupExtension.h"
+#include "GeoFeature.h"
 #include "Origin.h"
 
-#include "GeoFeature.h"
 
 FC_LOG_LEVEL_INIT("App", true, true)
 

src/App/Path.cpp

@@ -23,9 +23,6 @@
 
 #include "PreCompiled.h"
 
-#ifndef _PreComp_
-#endif
-
 #include "Path.h"
 
 using namespace App;

src/App/Path.h

@@ -27,11 +27,9 @@
 #include <Base/Persistence.h>
 
 
-
 namespace App
 {
 
-
 /** Base class of all geometric document objects.
  */
 class AppExport Path