removed empty lines at end of file

src/factory/FieldCreateFactory.cpp

@@ -1655,4 +1655,3 @@ namespace std{
         return o << "nullptr";
     }
 }
-

src/factory/PVDataCreateFactory.cpp

@@ -780,4 +780,3 @@ namespace std{
         return o << "nullptr";
     }
 }
-

src/factory/pvSubArrayCopy.cpp

@@ -272,4 +272,3 @@ void copy(
 }
 
 }}
-