Revert "example: Add example for pybind11" (#444)

Reverts #375

Broke the `main` branch.

As noted earlier we don't have the right branch protections on this repo
to prevent merging red PRs. @mattem please fix it or grant me
permissions so I can fix it.

Author: alexeagle

MODULE.bazel

@@ -85,5 +85,3 @@ crate.from_cargo(
 )
 
 use_repo(crate, "crate_index")
-
-bazel_dep(name = "pybind11_bazel", version = "2.12.0", dev_dependency = True)