removed p1 and mg

SConscript

builtin_xforms/move_globals/SConscript

builtin_xforms/move_globals/SConstruct

builtin_xforms/move_globals/mg.cpp

builtin_xforms/move_globals/mg.hpp

builtin_xforms/move_globals/mg_driver.cpp

builtin_xforms/move_globals/tests/test_spec.sh

builtin_xforms/p1transform/AnnotationBoundaryGenerator.cpp

builtin_xforms/p1transform/AnnotationBoundaryGenerator.hpp

builtin_xforms/p1transform/DirectOffsetInference.cpp

builtin_xforms/p1transform/DirectOffsetInference.hpp

builtin_xforms/p1transform/EhUpdater.cpp

builtin_xforms/p1transform/EhUpdater.hpp

builtin_xforms/p1transform/General_Utility.cpp

builtin_xforms/p1transform/General_Utility.hpp

builtin_xforms/p1transform/OffsetInference.cpp

builtin_xforms/p1transform/OffsetInference.hpp

builtin_xforms/p1transform/P1Inference.cpp

builtin_xforms/p1transform/P1Inference.hpp

builtin_xforms/p1transform/P1_utility.cpp