UBUNTU: [Packaging] remove the last sub-flavours bit

Remove the left-over.

Signed-off-by: Masahiro Yamada <masahiro.yamada@canonical.com>
Acked-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>

debian/rules

@@ -201,7 +201,7 @@ $(DEBIAN)/control.stub: 				\
 		-e 's|\(^Maintainer:.*\)|\1\nXSC-Ubuntu-Compatible-Signing: $(UBUNTU_COMPATIBLE_SIGNING)|g' \
 		-e 's/\(^Build-Depends:$$\)/\1\n$(GCC_BUILD_DEPENDS)/g'         \
 	  > $(DEBIAN)/control.stub;
-	flavours="$(sort $(wildcard $(DEBIAN)/control.d/vars.* $(DEBIAN)/sub-flavours/*.vars))";\
+	flavours="$(sort $(wildcard $(DEBIAN)/control.d/vars.*))";\
 	for i in $$flavours; do							\
 	  $(SHELL) $(DROOT)/scripts/control-create $$i "$(any_signed)" |	\
 		sed -e 's/PKGVER/$(release)/g'                                  \