debian: Disable malcontent

PureOS Amber doesn't ship libmalcontent and we don't really need that
feature yet.

debian/control

@@ -25,7 +25,6 @@ Build-Depends: appstream,
                libgudev-1.0-dev [linux-any],
                libjson-glib-dev (>= 1.2.0),
                libostree-dev [linux-any],
-               libmalcontent-0-dev [amd64 arm64 armel armhf i386 mips mipsel mips64el ppc64el s390x hppa powerpc powerpcspe ppc64],
                libpackagekit-glib2-dev (>= 1.1.11),
                libpolkit-gobject-1-dev,
                libsnapd-glib-dev (>= 1.54) [amd64 arm64 armel armhf i386 ppc64el s390x],

debian/control.in

@@ -21,7 +21,6 @@ Build-Depends: appstream,
                libgudev-1.0-dev [linux-any],
                libjson-glib-dev (>= 1.2.0),
                libostree-dev [linux-any],
-               libmalcontent-0-dev [amd64 arm64 armel armhf i386 mips mipsel mips64el ppc64el s390x hppa powerpc powerpcspe ppc64],
                libpackagekit-glib2-dev (>= 1.1.11),
                libpolkit-gobject-1-dev,
                libsnapd-glib-dev (>= 1.54) [amd64 arm64 armel armhf i386 ppc64el s390x],

debian/rules

@@ -8,6 +8,7 @@ export DEB_LDFLAGS_MAINT_STRIP := -Wl,-Bsymbolic-functions
 
 GS_CONFIGURE_FLAGS = \
 	-Dgnome_desktop=true \
+	-Dmalcontent=false \
 	-Dodrs=true \
 	-Dostree=false \
 	-Dpackagekit=true \
@@ -20,13 +21,12 @@ GS_CONFIGURE_FLAGS += \
 	-Dfwupd=false \
 	-Dflatpak=false \
 	-Dgudev=false \
-	-Dmalcontent=false \
 	-Dvalgrind=false
 
 ifeq ($(DEB_HOST_ARCH_OS), linux)
 	# Enable Flatpak support on supported architectures
 	ifneq (,$(filter $(DEB_HOST_ARCH), amd64 arm64 armel armhf i386 mips mipsel mips64el ppc64el s390x hppa powerpc powerpcspe ppc64))
-		GS_CONFIGURE_FLAGS += -Dflatpak=true -Dmalcontent=true
+		GS_CONFIGURE_FLAGS += -Dflatpak=true
 	endif
 
 	# Enable GUdev support on Linux