Revert "Ship default skin."

This reverts commit 65052fef.
It's already taken care of in the for loop just before

Makefile.am

@@ -850,9 +850,7 @@ if BUILD_SKINS
 	done
 	for i in $(top_builddir)/share/skins2/*.*; do \
 	  cp -- "$$i" $(win32_destdir)/skins/ || true ; \
-	done \
-	cp -v share/skins2/default.vlt $(win32_destdir)/skins/ || true ;
-
+	done
 endif
 
 if BUILD_OSDMENU