Function delete_toolchain 

pub async fn delete_toolchain(
    _user: AdminUser,
    __arg1: DbState,
    __arg2: ToolchainStorageState,
    __arg3: Path<(String, String)>,
) -> ApiResult<Json<ToolchainResponse>>

Delete a toolchain and all its targets

Removes a toolchain version and all associated target archives. Requires admin access.