DOCS-11322,DOCS-11531: tweak wording for SLES11 and Ubuntu 12.04

Author: kay-kim

source/includes/fact-ubuntu-lts-support.rst

@@ -2,5 +2,5 @@ MongoDB only provides packages for 64-bit LTS (long-term support) Ubuntu release
 For example, 14.04 LTS (trusty), 16.04 LTS (xenial), and so on.
 These packages may work with other Ubuntu releases, however, they are not supported.
 
-MongoDB 3.2.20 removes support for Ubuntu 12.04 LTS (precise).
+MongoDB 3.2 is no longer supported on Ubuntu 12.04 LTS (precise).