Moved XML examples to experimental/runtimeconfig/hello

helloBPWriterXML examples (C++ and python) to
They won't compile as part of examples.

examples/hello/bpWriter/helloBPWriterXML_nompi.cpp → examples/experimental/runtimeconfig/hello/helloBPWriterXML_nompi.cpp

@@ -8,8 +8,8 @@
  *      Author: William F Godoy godoywf@ornl.gov
  */
 
-#include <ios>      //std::ios_base::failure
-#include <iostream> //std::cout
+#include <ios>       //std::ios_base::failure
+#include <iostream>  //std::cout
 #include <stdexcept> //std::invalid_argument std::exception
 #include <vector>
 

examples/hello/bpWriter/CMakeLists.txt

@@ -10,15 +10,9 @@ if(ADIOS2_HAVE_MPI)
   target_include_directories(hello_bpWriter PRIVATE ${MPI_C_INCLUDE_PATH})
   target_link_libraries(hello_bpWriter ${MPI_C_LIBRARIES})
   
-  add_executable(hello_bpWriterXML helloBPWriterXML.cpp)
-  target_include_directories(hello_bpWriterXML PRIVATE ${MPI_C_INCLUDE_PATH})
-  target_link_libraries(hello_bpWriterXML ${MPI_C_LIBRARIES})
-  
 else()
   add_executable(hello_bpWriter helloBPWriter_nompi.cpp)
-  add_executable(hello_bpWriterXML helloBPWriterXML_nompi.cpp)
   
 endif()
 
-target_link_libraries(hello_bpWriterXML adios2)
 target_link_libraries(hello_bpWriter adios2)