move parsing.rs to toml

- With this all parsing or deserialization logic has now moved to toml.

Author: Shourya742

src/bootstrap/src/core/config/mod.rs

@@ -1,7 +1,6 @@
 #[expect(clippy::module_inception)]
 mod config;
 pub mod flags;
-pub mod parsing;
 pub mod target_selection;
 #[cfg(test)]
 mod tests;

src/bootstrap/src/core/config/toml/mod.rs

@@ -17,6 +17,7 @@ pub mod install;
 pub mod llvm;
 pub mod macros;
 pub mod merge;
+pub mod parsing;
 pub mod rust;
 pub mod target;