Remove empty migration dir, is referenced as separate tool in docs

refs #6481

diff --git a/tools/migration/README b/tools/migration/README
deleted file mode 100644 (file)
index 2e74184..0000000
--- a/tools/migration/README
+++ /dev/null
@@ -1,12 +0,0 @@
-Icinga 2 Migration Script
-=========================
-
-In order to migrate existing configuration in Icinga 1.x format
-the Icinga CLI as part of the Icinga Web 2 project will provide
-a conversion module.
-
-For work-in-progress details please check
-
-https://dev.icinga.org/issues/5821
-https://dev.icinga.org/issues/5929
-