package/quazip: remove qt4 support

Qt4 support is about to be dropped, so remove the support from quazip as
well.

Also add an explicit depends on for qt5 for consistency with other packages.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/quazip/Config.in

@@ -1,5 +1,6 @@
 config BR2_PACKAGE_QUAZIP
 	bool "quazip"
+	depends on BR2_PACKAGE_QT5
 	select BR2_PACKAGE_ZLIB
 	help
 	  QuaZIP is a simple C++ wrapper over Gilles Vollant's

package/quazip/quazip.mk

@@ -9,19 +9,12 @@ QUAZIP_SITE = $(call github,stachenov,quazip,$(QUAZIP_VERSION))
 QUAZIP_INSTALL_STAGING = YES
 QUAZIP_DEPENDENCIES = \
 	zlib \
-	$(if $(BR2_PACKAGE_QT),qt) \
-	$(if $(BR2_PACKAGE_QT5),qt5base)
+	qt5base
 QUAZIP_LICENSE = LGPL-2.1
 QUAZIP_LICENSE_FILES = COPYING
 
-ifeq ($(BR2_PACKAGE_QT5),y)
-QUAZIP_QMAKE = $(QT5_QMAKE)
-else
-QUAZIP_QMAKE = $(QT_QMAKE)
-endif
-
 define QUAZIP_CONFIGURE_CMDS
-	(cd $(@D); $(TARGET_MAKE_ENV) $(QUAZIP_QMAKE) PREFIX=/usr)
+	(cd $(@D); $(TARGET_MAKE_ENV) $(QT5_QMAKE) PREFIX=/usr)
 endef
 
 define QUAZIP_BUILD_CMDS