Revert the leftover of 90cb2bb

Author: nobu

tool/sync_default_gems.rb

@@ -330,7 +330,7 @@ def sync_default_gems(gem)
       rm_rf("test/prism/snapshots")
 
       rm("prism/extconf.rb")
-      `git checkout prism/generate-srcs.mk.rb prism/srcs.mk*`
+      `git checkout prism/srcs.mk*`
     when "resolv"
       rm_rf(%w[lib/resolv.* ext/win32/resolv test/resolv ext/win32/lib/win32/resolv.rb])
       cp_r("#{upstream}/lib/resolv.rb", "lib")

win32/setup.mak

@@ -238,16 +238,6 @@ MACHINE = x86
 	@echo # ENCODING>>$(MAKEFILE)
 	@$(MAKE) -l -f $(srcdir)/win32/enc-setup.mak srcdir="$(srcdir)" MAKEFILE=$(MAKEFILE)
 
-!ifdef BASERUBY
-ruby = $(BASERUBY)
-!else ifndef ruby
-ruby = ruby
-!endif
-$(srcdir)/prism/srcs.mk:
-	$(ruby:/=\) $(srcdir)/prism/generate-srcs.mk.rb > $@
-
--epilogue-: $(srcdir)/prism/srcs.mk
-
 -epilogue-: nul
 	@type << >>$(MAKEFILE)