Remove ppt live cc lines

[JamesBurnside]

What

Remove ppt live cc lines now feature has GA

Why

Cleanup

How Tested

n/a - rely on CI

[github-actions]

Storybook URL https://60c7ae6891f0e90039d7cd54-tmhgcbmodn.chromatic.com/

[github-actions]

Calling bundle size is decreased✅.

• Current size: 4845588
• Base size: 4845594
• Diff size: -6

[github-actions]

CallWithChat bundle size is decreased✅.

• Current size: 6305289
• Base size: 6305295
• Diff size: -6

[github-actions]

Chat bundle size is not changed.

• Current size: 2185964
• Base size: 2185964
• Diff size: 0

[github-actions]

@azure/communication-react jest test coverage for stable.

	Lines	Statements	Functions	Branches
Base	25390 / 39578 64.15%	25390 / 39578 64.15%	694 / 1222 56.79%	1980 / 3154 62.77%
Current	25417 / 39545 64.27%	25417 / 39545 64.27%	694 / 1222 56.79%	2009 / 3175 63.27%
Diff	27 / -33 0.12%	27 / -33 0.12%	0 / 0 0%	29 / 21 0.5%

[github-actions]

@azure/communication-react jest test coverage for beta.

	Lines	Statements	Functions	Branches
Base	49829 / 79750 62.48%	49829 / 79750 62.48%	1013 / 2245 45.12%	2906 / 4746 61.23%
Current	49757 / 79719 62.41%	49757 / 79719 62.41%	1013 / 2245 45.12%	2885 / 4726 61.04%
Diff	-72 / -31 -0.07%	-72 / -31 -0.07%	0 / 0 0%	-21 / -20 -0.19%

[github-actions]

Storybook URL https://60c7ae6891f0e90039d7cd54-vrzwktiero.chromatic.com/

[github-actions]

Failed to pass the UI Test. If this PR is for UI change and the error is snapshot mismatch, please add "update_snapshots" label to the PR for updating the snapshot.

[github-actions]

Storybook URL https://60c7ae6891f0e90039d7cd54-lzawuoumao.chromatic.com/