Remove NO_QT make option.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>

depends/Makefile

@@ -3,7 +3,6 @@
 SOURCES_PATH ?= $(BASEDIR)/sources
 BASE_CACHE ?= $(BASEDIR)/built
 SDK_PATH ?= $(BASEDIR)/SDKs
-NO_QT ?=
 NO_WALLET ?=
 NO_UPNP ?=
 FALLBACK_DOWNLOAD_PATH ?= https://z.cash/depends-sources
@@ -73,13 +72,11 @@ include builders/$(build_os).mk
 include builders/default.mk
 include packages/packages.mk
 
-qt_packages_$(NO_QT) = $(qt_packages) $(qt_$(host_os)_packages)
-qt_native_packages_$(NO_QT) = $(qt_native_packages)
 wallet_packages_$(NO_WALLET) = $(wallet_packages)
 upnp_packages_$(NO_UPNP) = $(upnp_packages)
 
-packages += $($(host_arch)_$(host_os)_packages) $($(host_os)_packages) $(qt_packages_) $(wallet_packages_) $(upnp_packages_)
-native_packages += $($(host_arch)_$(host_os)_native_packages) $($(host_os)_native_packages) $(qt_native_packages_)
+packages += $($(host_arch)_$(host_os)_packages) $($(host_os)_packages) $(wallet_packages_) $(upnp_packages_)
+native_packages += $($(host_arch)_$(host_os)_native_packages) $($(host_os)_native_packages)
 all_packages = $(packages) $(native_packages)
 
 meta_depends = Makefile funcs.mk builders/default.mk hosts/default.mk hosts/$(host_os).mk builders/$(build_os).mk
@@ -114,7 +111,6 @@ $(host_prefix)/share/config.site : config.site.in $(host_prefix)/.stamp_$(final_
             -e 's|@CXXFLAGS@|$(strip $(host_CXXFLAGS) $(host_$(release_type)_CXXFLAGS))|' \
             -e 's|@CPPFLAGS@|$(strip $(host_CPPFLAGS) $(host_$(release_type)_CPPFLAGS))|' \
             -e 's|@LDFLAGS@|$(strip $(host_LDFLAGS) $(host_$(release_type)_LDFLAGS))|' \
-            -e 's|@no_qt@|$(NO_QT)|' \
             -e 's|@no_wallet@|$(NO_WALLET)|' \
             -e 's|@no_upnp@|$(NO_UPNP)|' \
             -e 's|@debug@|$(DEBUG)|' \