Removed /xmlrpc endpoint

This endpoint doesn't seem to be used in practice (3 hits in the access
logs in the past ~2 months). It also introduces a maintenance burden,
and the instructions it gives don't actually work.

.TRACFREEZE.txt

@@ -116,21 +116,6 @@ tracopt.ticket.deleter.ticketdeleter
 tracopt.versioncontrol.git.git_fs.csetpropertyrenderer
 tracopt.versioncontrol.git.git_fs.gitconnector
 tracopt.versioncontrol.git.git_fs.gitwebprojectsrepositoryprovider
-tracrpc.api.xmlrpcsystem
-tracrpc.json_rpc.jsonrpcprotocol
-tracrpc.search.searchrpc
-tracrpc.ticket.componentrpc
-tracrpc.ticket.milestonerpc
-tracrpc.ticket.priorityrpc
-tracrpc.ticket.resolutionrpc
-tracrpc.ticket.severityrpc
-tracrpc.ticket.statusrpc
-tracrpc.ticket.ticketrpc
-tracrpc.ticket.typerpc
-tracrpc.ticket.versionrpc
-tracrpc.web_ui.rpcweb
-tracrpc.wiki.wikirpc
-tracrpc.xml_rpc.xmlrpcprotocol
 tracspamfilter.adapters.attachmentfilteradapter
 tracspamfilter.adapters.ticketfilteradapter
 tracspamfilter.adapters.wikifilteradapter

requirements.txt

@@ -7,8 +7,6 @@ libsass==0.23.0
 
 # Trac plugins
 TracSpamFilter[dns,spambayes] @ https://trac.edgewall.org/browser/plugins/trunk/spam-filter?rev=17766&format=zip
-# TracXMLRPC from PyPI does not (yet) have a 1.2.0 release (compatible with Trac >=1.4)
-https://trac-hacks.org/browser/xmlrpcplugin/trunk?rev=18591&format=zip
 TracDragDrop @ svn+https://trac-hacks.org/svn/tracdragdropplugin/0.12@18635
 
 # No pypi release compatible with trac 1.6 yet

trac-env/conf/trac.ini

@@ -34,7 +34,6 @@ tracopt.ticket.commit_updater.committicketreferencemacro = enabled
 tracopt.ticket.commit_updater.committicketupdater = enabled
 tracopt.ticket.deleter.ticketdeleter = enabled
 tracopt.versioncontrol.git.* = enabled
-tracrpc.* = enabled
 tracspamfilter.* = enabled
 tracspamfilter.adapters.* = enabled
 tracspamfilter.admin.* = enabled

trac-env/templates/django_theme.html

@@ -31,9 +31,6 @@
         <li><a href="/login?next=${req.path_info|urlencode()}">Login</a></li>
       # endif
       <li><a href="${req.href.prefs()}">Preferences</a></li>
-      # if req.perm.has_permission('XML_RPC'):
-        <li><a href="${req.href.rpc()}">API</a></li>
-      # endif
     </ul>
   </div>
   ${navigation('mainnav')}