Remove ppx_expect since unavailable on 32-bit archs (3/n)

- Remove --deps-only which is buggy. That, at least in opam 2.2.1, uses the dependencies from the repository rather than the local package when doing opam install . --deps-only

.github/workflows/pages.yml

@@ -23,7 +23,7 @@ jobs:
           opam-pin: true
           opam-depext: false # will complain that diskuvbox is missing
       - name: Install Opam dependencies
-        run: opam install . --deps-only --with-doc
+        run: opam install . --with-doc
 
       - name: Cache conda
         uses: actions/cache@v3

DEVELOPMENT.md

@@ -6,7 +6,7 @@ This is the Windows prerequisite for any development listed on this page:
 
 ```powershell
 dkml init
-opam install . --deps-only --with-test --yes
+opam install . --with-test --yes
 ```
 
 On Unix:

ci/build-test.sh

@@ -30,5 +30,6 @@ opamrun exec -- ocamlc -config
 opamrun update
 
 # Make your own build logic! It may look like ...
-opamrun install . --deps-only --with-test --yes
+# note: --deps-only is buggy. That, at least in opam 2.2.1, uses the dependencies from the repository rather than the local package when doing opam install . --deps-only
+opamrun install . --with-test --yes
 opamrun exec -- dune runtest