Excuse me, LEDE make menuconfig, why not libpolarssl

I would like to ask, LEDE make menuconfig, why Libraries under SSL under no libpolarssl


The transition was also discussed here in the forum:

...and after the transition of all packages, the libpolarssl package was removed two weeks ago by https://git.lede-project.org/?p=source.git;a=commit;h=bd68ddbda46e49515f69765be82ea306297af1fe

I think that all apps that used libpolarssl, can also use libmbedtls (which is the new default)

Thank you.
But My English is not good, all by Baidu translation

libpolarssl = old, bad.
libmbedtls = new, good.