chore(ocamllsp): stop vendoring lsp/jsonrpc

At some point this was needed b/c we reduced opam deps. We've long since
given up on that and now require dozens of deps from opam.

Signed-off-by: Rudi Grinberg <me@rgrinberg.com>

<!-- ps-id: caceb04d-7982-4466-bbfc-ff75c777e2d2 -->

dune

@@ -5,6 +5,9 @@
 (rule
  (copy lsp.opam.template jsonrpc.opam.template))
 
+(rule
+ (copy lsp.opam.template ocaml-lsp-server.opam.template))
+
 (env
  (_
   (flags :standard -alert -unstable)))

dune-project

@@ -46,6 +46,8 @@ possible and does not make any assumptions about IO.
  (depends
   yojson
   base
+  (lsp (= :version))
+  (jsonrpc (= :version))
   (re (>= 1.5.0))
   (ppx_yojson_conv_lib (>= "v0.14"))
   (dune-rpc (>= 3.4.0))

ocaml-lsp-server.opam

@@ -22,6 +22,8 @@ depends: [
   "dune" {>= "3.0"}
   "yojson"
   "base"
+  "lsp" {= version}
+  "jsonrpc" {= version}
   "re" {>= "1.5.0"}
   "ppx_yojson_conv_lib" {>= "v0.14"}
   "dune-rpc" {>= "3.4.0"}
@@ -51,9 +53,11 @@ build: [
   [
     "dune"
     "build"
+    "-p"
+    name
     "-j"
     jobs
-    "ocaml-lsp-server.install"
-    "--release"
+    "@install"
+    "@doc" {with-doc}
   ]
 ]