Update EmbedParameters type to non-pointer

[austin-denoble]

Problem

While testing for v3 I noticed that we have a type for EmbedParameters that classifies it as a pointer. This isn't something we want for the type itself.

Solution

Clean up EmbedParameters.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• Infrastructure change (CI configs, etc)
• Non-code change (docs, etc)
• None of the above: (explain here)

Test Plan

CI - unit & integration