bpo-37653: Fix libinstall target in Makefile (GH-14911)

Author: Erlend Egeberg Aasland

Makefile.pre.in

@@ -1432,8 +1432,6 @@ libinstall:	build_all $(srcdir)/Modules/xxmodule.c
 			*CVS) ;; \
 			*.py[co]) ;; \
 			*.orig) ;; \
-			# bpo-37468: Don't install distutils/command/wininst-*.exe files used \
-			# by distutils bdist_wininst: bdist_wininst only works on Windows. \
 			*wininst-*.exe) ;; \
 			*~) ;; \
 			*) \