refactor(treewide): get rid of compile time build environment introspection

It's cursed and not very useful. Still a few uses of ctor left, but oh well.

src/core/info/mod.rs

@@ -1,12 +1,5 @@
-//! Information about the project. This module contains version, build, system,
-//! etc information which can be queried by admins or used by developers.
-
-pub mod cargo;
 pub mod room_version;
-pub mod rustc;
 pub mod version;
 
-pub use conduwuit_macros::rustc_flags_capture;
-
 pub const MODULE_ROOT: &str = const_str::split!(std::module_path!(), "::")[0];
 pub const CRATE_PREFIX: &str = const_str::split!(MODULE_ROOT, '_')[0];