revert accidentally commited change

gobject/Makefile.am

@@ -33,7 +33,6 @@ gobject_public_h_sources = @STRIP_BEGIN@ \
 	gsignal.h \
 	gtype.h \
 	gtypeplugin.h \
-	gtypepluginsimple.h \
 	gvalue.h \
 	gvaluecollector.h \
 	gvaluetypes.h \
@@ -54,7 +53,6 @@ gobject_c_sources = @STRIP_BEGIN@ \
 	gsignal.c \
 	gtype.c \
 	gtypeplugin.c \
-	gtypepluginsimple.c \
 	gvalue.c \
 	gvaluetypes.c \
 @STRIP_END@