fix monitoring-setup.mdx syntax

[coldice]

Fixes #420
Remove style="width:100.0%" attributes.

[miller-da]

Introduces two parsing errors and warnings when running mintlify dev

parsing error ./global-synchronizer/production-operations/sv-security.mdx:56:13 - Unexpected end of file in expression, expected a corresponding closing brace for `{`

parsing error ./global-synchronizer/release-notes/release-notes.mdx:197:1 - Expected a closing tag for `<div>` (198:7-198:30) before the end of `blockQuote`
warning - "global-synchronizer/production-operations/sv-security" is referenced in the docs.json navigation but the file does not exist.
warning - "global-synchronizer/release-notes/release-notes" is referenced in the docs.json navigation but the file does not exist.

[miller-da]

Aside from errors on mintlify dev, the pages all render as expected.