DOCSP-42366 Add noindex for install page (#474)

https://jira.mongodb.org/browse/DOCSP-42366

Author: pierwill

source/tutorial/nav/install-application.txt

@@ -4,6 +4,9 @@ Install |onprem|
 
 .. default-domain:: mongodb
 
+.. meta::
+   :robots: noindex, nosnippet
+
 .. contents:: On this page
    :local:
    :backlinks: none
@@ -13,7 +16,7 @@ Install |onprem|
 .. toctree::
    :titlesonly:
    :hidden:
-  
+
    Install with RPM Package </tutorial/install-on-prem-with-rpm-packages>
    Install with DEB Package </tutorial/install-on-prem-with-deb-packages>
    Install from Archive with Linux </tutorial/install-on-prem-from-archive>