Revert "Update docs for Elasticsearch 5.x and 6.x support"

This reverts commit 9b0cc125dd9d893a7e45547a252aacd03cea845c.

refs #5840

diff --git a/doc/14-features.md b/doc/14-features.md
index 316707a3e817e23c26f56467c283ca11c3121d19..e2fdeb591add0c6e827a211e604781e4a24f8f38 100644 (file)
--- a/doc/14-features.md
+++ b/doc/14-features.md
@@ -347,7 +347,7 @@ The check results include parsed performance data metrics if enabled.
 
 > **Note**
 >
-> Elasticsearch 5.x+ is required. This feature has been tested with Elasticsearch 5.6.4 and 6.0.0.
+> Elasticsearch 5.x+ is required.
 
 Enable the feature and restart Icinga 2.