slinux: Drop dropbox

I'm not sure that it is works well in Russia nowaday.

conf.d/slinux.mk

@@ -14,7 +14,7 @@ ifneq (,$(filter-out riscv64,$(ARCH)))
 	@$(call add,MAIN_GROUPS,slinux/multimedia-full-obs-studio)
 endif
 ifneq (,$(filter-out e2k% riscv64,$(ARCH)))
-	@$(call add,MAIN_GROUPS,slinux/dropbox slinux/graphics-full-shotwell slinux/flatpak)
+	@$(call add,MAIN_GROUPS,slinux/graphics-full-shotwell slinux/flatpak)
 endif
 	@$(call set,META_VOL_ID,Simply Linux $(DISTRO_VERSION) $(ARCH))
 	@$(call set,META_APP_ID,Simply Linux $(DISTRO_VERSION) $(ARCH) $(shell date +%F))

pkg.in/groups/slinux/dropbox.directory

@@ -1,7 +0,0 @@
-[Desktop Entry]
-Encoding=UTF-8
-Type=Directory
-Name=Dropbox support
-X-Alterator-PackageList=slinux/dropbox
-X-Alterator-Required=no
-Name[ru_RU]=Поддержка Dropbox

pkg.in/lists/slinux/dropbox

@@ -1,3 +0,0 @@
-dropbox
-thunar-dropbox-plugin
-python3-module-gpg