remove unused Rust toolchain tool

Byron · Byron · commit 850f2f919bd1 · 2025-10-02T08:34:25.000+02:00
Let's re-add them once it's clear why they are needed.
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
@@ -2,9 +2,7 @@
 channel = "nightly-2025-09-09"
 components = [
     "rustfmt",
-    "rustc-dev",
     "clippy",
     "rust-src",
-    "llvm-tools-preview",
 ]
 profile = "minimal"
