Fix broken video link by removing private YouTube video

[Copilot]

The "Making an Offer" documentation page contained a broken YouTube video embed that was displaying "This video is private" to users, as shown in the issue screenshot. This created a poor user experience where visitors encountered a non-functional video player instead of useful content.

Problem

The video with ID Wy13GLmujhA embedded in /main/guides/getting-started/explainer-how-to-make-an-offer.md was inaccessible, showing "This video is private" even to users with Agoric accounts.

Solution

Removed the entire "Video Walkthrough" section containing the broken video embed. The page now flows cleanly from the tutorial introduction to the "How it Looks" section with the screenshot, providing a better user experience without the broken video interruption.

Changes

• Removed 8 lines containing the broken video embed and surrounding tip block
• No other content was affected - the page retains all essential information
• Page structure remains intact with proper heading hierarchy

Testing

• ✅ Link checker passes
• ✅ No references to the broken video ID remain in the repository
• ✅ Page content is complete and well-formatted
• ✅ Verified minimal surgical change with no unintended modifications

The fix ensures users can access the documentation without encountering broken video content, improving the overall documentation experience.

Fixes #1276.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• www.youtube.com
  • Triggering command: `python3 -c
    import requests

video_ids = [
'Wy13GLmujhA', # The reported broken one
'T6h6TMuVHKQ',
'e9dMkC2oFh8',
'52SgGFpWjsY',
'YcWXqHPui_w',
'wW9-KuezPp8',
'38oTyVv_D9I',
'huTI9_Gq2ow',
'Wtq6dwsRdOQ',
'qHa7u8r62JQ',
'pWZUHJqj_Lo',
'WJ1MlHudpuM',
'XeHBMO7SckU'
]

for vid_id in video_ids:
try:
response = requests.get(f'REDACTED{vid_id}', timeout=10)
if 'Video unavailable' in response.text or 'This video is private' in response.text:
print(f'❌ {vid_id} - Video unavailable or private')
elif response.status_code == 200:
print(f'✅ {vid_id} - Video accessible')
else:
print(f'❓ {vid_id} - Status code: {response.status_code}')
except Exception as e:
print(f'❓ {vid_id} - Error: {e}')` (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list

---

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View logs

[toliaqat]

@copilot , some videos listed in our documentation have gone private. Let verify all youtube videos links and remove those embedded videos if they are not available on youtube now.

[Copilot]

@copilot , some videos listed in our documentation have gone private. Let verify all youtube videos links and remove those embedded videos if they are not available on youtube now.

I found 16 unique YouTube video IDs across the documentation. However, I'm unable to directly verify their availability due to firewall restrictions that block access to YouTube (as shown in the original PR description).

The video IDs I found are:

• 38oTyVv_D9I, 52SgGFpWjsY, QC5wQOcWynU, T6h6TMuVHKQ, WJ1MlHudpuM
• Wtq6dwsRdOQ, XeHBMO7SckU, YcWXqHPui_w, e9dMkC2oFh8, faxrecQgEio
• huTI9_Gq2ow, iyuo0ymTt4g, m5Pf2d1tHCs, pWZUHJqj_Lo, qHa7u8r62JQ, wW9-KuezPp8

Could you please provide a list of which specific video IDs are private/unavailable so I can remove them from the documentation? Alternatively, I can create a script to systematically check and remove videos if the firewall restrictions can be lifted.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• www.youtube.com
  • Triggering command: python3 /tmp/check_youtube_videos.py (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list