[extensions-web] doap: revert https changes to bypass gitlab rejection.

[Yuri Konotopov <ykonotopov src gnome org>]

commit baf3a77f4a180c528f0c0c8470bd96d29cc7c14d
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Sat Jan 26 11:16:48 2019 +0400

    doap: revert https changes to bypass gitlab rejection.
    
    Full output:
    remote: ---
    remote: ERROR: extensions-web.doap is not valid:
    remote:    doap:category property should be one of: apps,core,core-apps,deprecated,infrastructure
    remote:
    remote: Please see:
    remote:    https://wiki.gnome.org/Git/FAQ
    remote: ---
    To gitlab.gnome.org:Infrastructure/extensions-web.git
     ! [remote rejected] master -> master (pre-receive hook declined)
    
    remote: ---
    remote: ERROR: extensions-web.doap is not valid:
    remote:    Must have at least one doap:maintainer property with a gnome:userid property
    remote:
    remote: Please see:
    remote:    https://wiki.gnome.org/Git/FAQ
    remote: ---
    To gitlab.gnome.org:Infrastructure/extensions-web.git

 extensions-web.doap | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/extensions-web.doap b/extensions-web.doap
index d21666a..9a0fa28 100644
--- a/extensions-web.doap
+++ b/extensions-web.doap
@@ -1,14 +1,14 @@
 <Project xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
          xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#";
          xmlns:foaf="http://xmlns.com/foaf/0.1/";
-         xmlns:gnome="https://api.gnome.org/doap-extensions#";
+         xmlns:gnome="http://api.gnome.org/doap-extensions#";
          xmlns="http://usefulinc.com/ns/doap#";>
 
   <name xml:lang="en">extensions-web</name>
   <shortdesc xml:lang="en">GNOME Shell Extensions Repository</shortdesc>
   <description>GNOME Shell Extensions Repository</description>
   <homepage rdf:resource="https://extensions.gnome.org/"; />
-  <category rdf:resource="https://api.gnome.org/doap-extensions#infrastructure"; />
+  <category rdf:resource="http://api.gnome.org/doap-extensions#infrastructure"; />
   <programming-language>Python</programming-language>
   <programming-language>JavaScript</programming-language>
   <programming-language>HTML</programming-language>