Remove more unused libraries (#12823)

* chore: remove more unused libraries

caught by the new unused-libs check

Signed-off-by: Rudi Grinberg <[email protected]>

Author: rgrinberg

src/fswatch_win/dune

@@ -1,6 +1,6 @@
 (library
  (name fswatch_win)
- (libraries stdune dune_util)
+ (libraries dyn)
  (foreign_stubs
   (language c)
   (names fswatch_win_stubs)))

test/expect-tests/dune_rpc_e2e/dune

@@ -21,7 +21,6 @@
   csexp_rpc
   ;; This is because of the (implicit_transitive_deps false)
   ;; in dune-project
-  ppx_expect.config
   ppx_expect.config_types
   base
   ppx_inline_test.config)
@@ -41,7 +40,6 @@
   dune_rpc_client
   dune_rpc_e2e
   dune_rpc_private
-  dune_rpc_impl
   ;; This is because of the (implicit_transitive_deps false)
   ;; in dune-project
   ppx_expect.config
@@ -89,7 +87,6 @@
   dune_rpc_client
   dune_rpc_e2e
   dune_rpc_private
-  dune_rpc_impl
   unix
   ;; This is because of the (implicit_transitive_deps false)
   ;; in dune-project