Ignore the checksum embedded in the file name

That is always MD5 sum, but we expect SHA256 now.

Change-Id: I8edf61b9a663f6f1ecc5cf23c93211e0b3201631
Reviewed-on: https://gerrit.libreoffice.org/35067Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Khaled Hosny <khaledhosny@eglug.org>

Makefile.fetch

@@ -59,10 +59,7 @@ endef
 define fetch_Download_item
 $(if $(strip $($(2))),,$(error fetch__Download_item: $(2) is empty))
 $(if $(filter undefined,$(origin $(call fetch_Download__subst_var,$(2)))),\
-	$(if $(call fetch_Download__is_checksum,$(firstword $(subst -, ,$($(2))))),\
-		$(call fetch__Download_item,$1,$($2),$(firstword $(subst -, ,$($(2))))),\
-		$(error "fetch_Download_item: no checksum found for $($(2)). Please define $(call fetch_Download__subst_var,$(2)) in download.lst.") \
-	),\
+	$(error "fetch_Download_item: no checksum found for $($(2)). Please define $(call fetch_Download__subst_var,$(2)) in download.lst."),\
 	$(call fetch__Download_item,$(1),$($2),$($(call fetch_Download__subst_var,$(2)))) \
 )