Revert "[interpreter] Add dune dependencies (WebAssembly#1717)"

This reverts commit 44ed035.

Author: rossberg

interpreter/dune-project

@@ -20,6 +20,4 @@
   (tags (wasm webassembly spec interpreter))
   (depends
     (ocaml (>= 4.12))
-    (menhir (>= 20220210))
-    (js_of_ocaml (>= 5.5.2))
-    (js_of_ocaml-ppx (>= 5.5.2))))
+    (menhir (>= 20220210))))

interpreter/wasm.opam

@@ -12,8 +12,6 @@ depends: [
   "dune" {>= "2.9"}
   "ocaml" {>= "4.12"}
   "menhir" {>= "20220210"}
-  "js_of_ocaml" {>= "5.5.2"}
-  "js_of_ocaml-ppx" {>= "5.5.2"}
   "odoc" {with-doc}
 ]
 build: [