Drop not needed methods

They were used just once, it's better to replace them with {% url %}
tags.

trans/models/translation.py

@@ -346,14 +346,6 @@ class Translation(models.Model, URLMixin):
     def is_git_lockable(self):
         return False
 
-    @models.permalink
-    def get_download_url(self):
-        return ('download_translation', (), {
-            'project': self.subproject.project.slug,
-            'subproject': self.subproject.slug,
-            'lang': self.language.code
-        })
-
     @models.permalink
     def get_translate_url(self):
         return ('translate', (), {
@@ -362,13 +354,6 @@ class Translation(models.Model, URLMixin):
             'lang': self.language.code
         })
 
-    @models.permalink
-    def get_source_review_url(self):
-        return ('review_source', (), {
-            'project': self.subproject.project.slug,
-            'subproject': self.subproject.slug,
-        })
-
     def __unicode__(self):
         return '%s - %s' % (
             self.subproject.__unicode__(),

weblate/html/source.html

@@ -14,12 +14,13 @@
 
 {% include "subproject_info.html" %}
 
+{% url 'review_source' project=source.subproject.project.slug subproject=source.subproject.slug as review_url %}
 {% with source.get_source_checks as checks %}
 {% if checks %}
 <h2>{% trans "Strings to check" %}</h2>
 <ul>
 {% for c in checks %}
-<li><a href="{{ source.get_source_review_url }}?type={{ c.0 }}">{{ c.1 }}</a></li>
+<li><a href="{{ review_url }}?type={{ c.0 }}">{{ c.1 }}</a></li>
 {% endfor %}
 </ul>
 {% endif %}

weblate/html/translation.html

@@ -56,9 +56,8 @@
 <div id="files">
 
 <h3>{% trans "Download" %}</h3>
-{% with object.get_download_url as download_url %}
+{% url 'download_translation' project=object.subproject.project.slug subproject=object.subproject.slug lang=object.language.code as download_url %}
 <p>{% blocktrans %}You can <a href="{{ download_url }}">download</a> file for offline translation.{% endblocktrans %}</p>
-{% endwith %}
 
 {% if perms.trans.upload_translation %}
 <h3>{% trans "Upload" %}</h3>