So coincidentally I just happened upon a couple of different [uncited] sources that are purporting some potentially interesting changes to Scar, which might be where the new rumors of his "removal" are coming from. (Because any notable change to the characters in this film is being treated as destroying, ruining, or replacing the character altogether. And I thought superhero fanbases could be bad...)
According to this video --
https://www.youtube.com/watch?v=010-xSvOCeg which features an unlinked screenshot to text from a "dis insider dot com", which I was unable to find myself -- Scar might actually be [spoiler]a white lion.
Full quote from the screenshot (corrected for spelling typos because I'm pedantic like that):
We have exclusively learned from a source close to the project that the film's villain Scar is expected to have a new look to him.
According to our source, [t]he studio is considering making Scar a rare white lion with a weak/frail look to him, the idea is to give Scar a much different look from the other lions in the film (Simba, Nala, Mufasa, S[a]rabi). This would be drastically different from the dark orange and black we know from the classic animated film.
It should be noted that this is what is being considered and things can easily change in post-production.[/spoiler]
This I find genuinely surprising and quite interesting, and despite hyperbolic complaints of them changing the characters too much in every comment section I've seen outside of this forum (y'all are great), I actually really hope they go through with it.