Do not add again ctx.headers, since it is already "imported" during the creation of Current request

(see HTTP_CLIENT_REQUEST.make)

library/client/http_client/src/spec/libcurl/libcurl_http_client_request.e

@@ -169,19 +169,9 @@ feature -- Execution
 					p := curl.slist_append (p, curs.key + ": " + curs.item)
 				end
 			end
-			if ctx /= Void then
-				if attached ctx.headers as l_headers_2 then
-					across
-						l_headers_2 as curs_2
-					loop
-						p := curl.slist_append (p, curs_2.key + ": " + curs_2.item)
-					end
-				end
-			end
 			p := curl.slist_append (p, "Expect:")
 			curl_easy.setopt_slist (curl_handle, {CURL_OPT_CONSTANTS}.curlopt_httpheader, p)
 
-
 			curl.global_cleanup
 
 			curl_easy.set_read_function (curl_handle)