I am so confused...
Konami appears to be in the process of reinstating references to Hideo Kojima back into Metal Gear Solid branding.
Branding for Metal Gear Solid: The Legacy Collection appears to have been updated tonight to include the line 'A Hideo Kojima Game', with the game's product page now also featuring multiple references to Kojima."
From the critically acclaimed director, Hideo Kojima, METAL GEAR SOLID: The Legacy Collection offers the most complete METAL GEAR SOLID experience ever," the product page currently reads, later adding: "The 'Metal Gear' series is the seminal work of Hideo Kojima, Japan's master game creator, and the progenitor of the stealth action game genre."
The references to Kojima on the Metal Gear Solid 5: The Phantom Pain and Metal Gear Solid 5: Ground Zeroes had not been reinserted at the time of writing.