Remove reference to 4.2.0 in the compatibility page.

Jonathan S. Katz · Jonathan S. Katz · commit d02feea9c6c6 · 2019-11-21T14:10:24.000-05:00
This was in the metadata and was likely not visible to anyone,
but for consistency its better to match the current version.
diff --git a/hugo/content/Configuration/compatibility.md b/hugo/content/Configuration/compatibility.md
@@ -1,7 +1,7 @@
 
 ---
 title: "Compatibility Requirements"
-Latest Release: 4.2.0 {docdate}
+Latest Release: 4.1.1 {docdate}
 draft: false
 weight: 1
 ---
