DOCSP-48287: Update site name (#824)

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- [DOCSP-48287](https://jira.mongodb.org/browse/DOCSP-48287)
- [LATEST BUILD
LOG](https://app.netlify.com/sites/docs-ops-manager/deploys/67f80a13d558130008bfe8c5)

### Self-Review Checklist

- [ ]
[Define](https://wiki.corp.mongodb.com/display/DE/Taxonomy+tagging+instructions)
taxonomy
[values](https://wiki.corp.mongodb.com/display/DE/Docs+Taxonomy) at top
of page.
- [ ] Add genre facets (tutorial or reference), as in this [example
PR](10gen/cloud-docs#5042).
- [ ] Add programmingLanguage (if necessary).
- [ ] Add meta keywords (if necessary).
- [ ] Resolve any new warnings or errors in the build.
- [ ] Proofread for spelling and grammatical errors.
- [ ] Check staging for rendering issues.
- [ ] Confirm links are working.

(cherry picked from commit a1355c6)

Author: norareidy

snooty.toml

@@ -1,5 +1,5 @@
 name = "ops-manager"
-title = "MongoDB Ops Manager"
+title = "Ops Manager"
 
 intersphinx = [ "https://docs.mongodb.com/manual/objects.inv",
                 "https://www.mongodb.com/docs/drivers/objects.inv",