Remove Deprecated YouTube and Vimeo Player Libraries Usage

Problem/Motivation

Varbase Media still declares outdated and deprecated YouTube and Vimeo player libraries.
These external libraries are no longer used by the module’s video player implementation and should be removed to reduce unnecessary external loading, improve performance, and avoid relying on deprecated APIs.

Steps to reproduce

• Inspect varbase_media.libraries.yml.
• Observe the youtube_player and vimeo_player libraries defined but not used.
• Confirm they are deprecated and no longer required for Varbase video functionality.

Proposed resolution

• Remove the youtube_player and vimeo_player library definitions.
• Ensure no components or modules attempt to reference them.
• Clean up unused external URLs and version declarations.

Remaining tasks

• ✅ File an issue about this project
• ✅ Addition/Change/Update/Fix to this project
• ✅ Testing to ensure no regression
• ➖ Automated unit/functional testing coverage
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ➖ UX/UI designer responsibilities
• ➖ Accessibility and Readability
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Update Release Notes and Update Helper on new feature change/addition
• ✅ Release varbase-10.1.0, varbase_media-10.1.0-rc1, varbase-10.0.9, varbase_media-10.0.16, varbase-9.1.13, varbase_media-9.1.21

Varbase update type

• ✅ No Update
• ➖ Optional Update
• ➖ Forced Update
• ➖ Forced Update if Unchanged

User interface changes

• N/A

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• chore: #3558512 Remove Deprecated YouTube and Vimeo Player Libraries Usage By: @Mohammad-Fayoumi