Remove current_url template variable

Now that the base tag is gone it's not useful anymore

* Make line number links use relative paths

http/web.py

@@ -321,7 +321,7 @@ def generate_source(q, path, version, tag, project):
     html_code_block = format_code(fname, code)
 
     # Replace line numbers by links to the corresponding line in the current file
-    html_code_block = sub('href="#-(\d+)', 'name="L\\1" id="L\\1" href="/'+project+'/'+version+'/source'+path+'#L\\1', html_code_block)
+    html_code_block = sub('href="#-(\d+)', 'name="L\\1" id="L\\1" href="#L\\1', html_code_block)
 
     for f in filters:
         if filter_applies(f, path):
@@ -427,8 +427,6 @@ def generate_source_page(q, basedir, parsed_path):
     data = {
         **template_ctx,
 
-        'current_url': stringify_source_path(parsed_path),
-
         'current_project': project,
         'current_tag': tag,
         'current_tag_urlencoded': version,
@@ -512,8 +510,6 @@ def generate_ident_page(q, basedir, parsed_path):
     title_suffix = project.capitalize()+' source code ('+tag+') - Bootlin'
 
     data = {
-        'current_url': stringify_ident_path(parsed_path),
-
         'current_project': project,
         'current_tag': tag,
         'current_tag_urlencoded': version,

templates/layout.html

@@ -34,8 +34,7 @@
                     <a href="/{{ current_project }}/{{ current_tag_urlencoded }}/source">{{ current_project }}</a>
                     <em class="icon-tag">{{ current_tag }}</em>
                 </span>
-                <a title="Go to top of the page" class="go-top icon-up screenreader"
-                   href="{{ current_url }}#">
+                <a title="Go to top of the page" class="go-top icon-up screenreader" href="#">
                     Top
                 </a>
                 <span class="poweredby">powered by <a target="_blank" href="https://github.com/bootlin/elixir">Elixir 2.2</a></span>

templates/topbar.html

@@ -1,6 +1,6 @@
 <header class="topbar">
     <div class="breadcrumb">
-        <a href="{{ current_url }}#menu" class="open-menu icon-menu screenreader" title="Open Menu">Open Menu</a>
+        <a href="#menu" class="open-menu icon-menu screenreader" title="Open Menu">Open Menu</a>
         <a class="project" href="/{{ current_project }}/{{ current_tag_urlencoded }}/source">/</a>
         {% for name, url in breadcrumb_links %}
             <a href="{{ url }}">{{ name }}</a>