doc: exclude zebra-utils, zebra-checkpoint.

These are internal-only crates for development.

.github/workflows/firebase.yml

@@ -42,7 +42,8 @@ jobs:
 
     - name: Build external docs
       run: |
-        cargo doc --no-deps
+        # Exclude zebra-utils, it is not for library or app users
+        cargo doc --no-deps --workspace --exclude zebra-utils
       env:
         RUSTDOCFLAGS: "--html-in-header katex-header.html"
 

zebra-utils/src/lib.rs

@@ -1,14 +1,3 @@
-//! A Zebra utilities crate.
-
-// TODO: split this crate up into crates with meaningful names.
-
-#![deny(missing_docs)]
-#![allow(clippy::try_err)]
-
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
-    }
-}
+//! Utilities for Zebra development, not for library or application users.
+//!
+//! Currently this consists only of the zebra-checkpoints binary.