Removed old gmake and VisualStudio build files

src/osgGA/GNUmakefile

@@ -1,29 +0,0 @@
-TOPDIR = ../..
-include $(TOPDIR)/Make/makedefs 
-
-
-CXXFILES = \
-	AnimationPathManipulator.cpp\
-	MatrixManipulator.cpp\
-	DriveManipulator.cpp\
-	EventVisitor.cpp\
-	FlightManipulator.cpp\
-	UFOManipulator.cpp\
-        EventQueue.cpp\
-        GUIEventAdapter.cpp\
-        GUIEventHandler.cpp\
-        KeySwitchMatrixManipulator.cpp\
-	StateSetManipulator.cpp\
-	TerrainManipulator.cpp\
-	NodeTrackerManipulator.cpp\
-	TrackballManipulator.cpp\
-	Version.cpp\
-
-DEF     += -DOSGGA_LIBRARY
-
-LIBS  += -losgUtil -losg $(GL_LIBS) $(OTHER_LIBS)
-
-TARGET_BASENAME = osgGA
-LIB = $(LIB_PREFIX)$(TARGET_BASENAME).$(LIB_EXT)
-
-include $(TOPDIR)/Make/makerules