build errors

Author: mongoKart

snooty.toml

@@ -8,7 +8,7 @@ toc_landing_pages = [
     "/fundamentals/serialization",
     "/fundamentals/authentication",
     "/upgrade",
-    "/fundamentals/database-collection"
+    "/fundamentals/database-collection",
 ]
 
 intersphinx = [
@@ -43,3 +43,4 @@ int-data-type = "``integer``"
 not-available = "N/A"
 analyzer = "MongoDB C# Analyzer"
 analyzer-short = "C# Analzyer"
+mdb-server = "MongoDB server"

source/upgrade.txt

@@ -131,9 +131,4 @@ Version 2.14 Release Support Changes
 
 - The v2.14 driver drops support for MongoDB Server v3.4 and earlier. To
   use any driver from v2.14 and later, your MongoDB Server must be v3.6 or
-  later. To learn how to upgrade your MongoDB Server to v3.6, follow the
-  link that corresponds to your MongoDB deployment configuration:
-
-  - :ref:`<3.6-upgrade-replica-set>`
-  - :ref:`<3.6-upgrade-standalone>`
-  - :ref:`<3.6-upgrade-sharded-cluster>`
+  later.