Removed UCF Social custom styles

[cjg89]

Description

See title

Motivation and Context

They've been ported over to the UCF Social plugin as of v3.0.2. See https://github.com/UCF/UCF-Social-Plugin/issues/28.

Resolves #44.

How Has This Been Tested?

Reviewed in Dev.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [x] My change requires an update to the documentation.
• [x] I have updated the documentation accordingly.