Revert "self_update: Ensure profile set on self-update"
Revert "self_update: Ensure profile set on self-update"

This reverts commit 088f2d880ddca308f7f6ebf41878a2876b4792ea.

nodakai/rustup.rs,inejge/rustup.rs,rust-lang/rustup,rust-lang/rustup,rust-lang/rustup,nodakai/rustup.rs,inejge/rustup.rs,rust-lang/rustup,rust-lang/rustup,inejge/rustup.rs,inejge/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,inejge/rustup.rs