Replace techtv links with OVS links

[pdpinch]

Steps to Reproduce

• Visit https://ocw.mit.edu/courses/res-8-003-physics-demonstration-videos-spring-2012/
• click the "online publication" link

Expected Behavior

• Should link to https://video.odl.mit.edu/collections/f05bfc257ab1447b83470c3d9eeb5083

Actual Behavior

• Tries to link to https://techtv.mit.edu/collections/f05bfc257ab1447b83470c3d9eeb5083/ and fails

Related Issues

We should do a quick search through the database for any other remaining links to techtv.mit.edu

[pt2302]

Per @pdpinch, it is sufficient to generate a list of the pages within OCW with these legacy links.