Broken Compatible devices table fix.

[zjbennett]

The Compatible Devices Markdown was broken and not displaying the table correctly.

I removed the extra line from the top of the table to fix.

[learn-build-service-prod[bot]]

Learn Build status updates of commit 3125c59:

:bulb: Validation status: suggestions

File	Status	Preview URL	Details
Teams/sip-gateway-plan.md	:bulb:Suggestion		Details

Teams/sip-gateway-plan.md

• Line 88, Column 1: [Suggestion: table-syntax-invalid - See documentation] Table syntax is invalid. Ensure your table includes a header and is surrounded by empty lines.

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