qt5base: remove unused definition

Since commit 81fb33af2a (qt5base: correct eglfs support in
qmake.conf.in) the definition QT5BASE_CONFIGURE_QMAKE_CONFIG is left
unused.

Remove it since it is not used anymore.

Signed-off-by: Gaël PORTAY <gael.portay@savoirfairelinux.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/qt5/qt5base/qt5base.mk

@@ -269,7 +269,6 @@ define QT5BASE_CONFIGURE_CMDS
 	sed 's/@EGLFS_DEVICE@/$(QT5BASE_EGLFS_DEVICE)/g' \
 		$(QT5BASE_PKGDIR)/qmake.conf.in > \
 		$(@D)/mkspecs/devices/linux-buildroot-g++/qmake.conf
-	$(QT5BASE_CONFIGURE_QMAKE_CONFIG)
 	$(INSTALL) -m 0644 -D $(QT5BASE_PKGDIR)/qplatformdefs.h \
 		$(@D)/mkspecs/devices/linux-buildroot-g++/qplatformdefs.h
 	$(QT5BASE_CONFIGURE_CONFIG_FILE)