build/make: There is no need to put timestamps into .dir files, and it just
makes trees less comparable.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@166111 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index a96c692..aea6b88 100644
--- a/Makefile
+++ b/Makefile
@@ -92,7 +92,7 @@
 %/.dir:
 	$(Summary) "  MKDIR:     $*"
 	$(Verb) $(MKDIR) $* > /dev/null
-	$(Verb) $(DATE) > $@
+	$(Verb) echo 'Created.' > $@
 
 # Remove directories
 %/.remove: