Update the description of h1.1.0.0 and remove the last reference of http/af

Author: dinosaure

packages/h1/h1.1.0.0/opam

@@ -24,7 +24,7 @@ depends: [
 synopsis:
   "A high-performance, memory-efficient, and scalable web server for OCaml"
 description: """
-http/af implements the HTTP 1.1 specification with respect to parsing,
+h1 implements the HTTP 1.1 specification with respect to parsing,
 serialization, and connection pipelining as a state machine that is agnostic to
 the underlying IO mechanism, and is therefore portable across many platform.
 It uses the Angstrom and Faraday libraries to implement the parsing and