infinitepush: drop logic related to treemanifest extension

treemanifest is another facebook's extension which is not in core. Let's drop
the logic related to infinitepush extension which is now ported to core.

Differential Revision: https://phab.mercurial-scm.org/D2106

hgext/infinitepush/__init__.py

@@ -440,16 +440,6 b' def _rebundle(bundlerepo, bundleroots, u'
     cgpart.addparam('version', version)
     parts.append(cgpart)
 
-    try:
-        treemod = extensions.find('treemanifest')
-    except KeyError:
-        pass
-    else:
-        if treemod._cansendtrees(bundlerepo, outgoing.missing):
-            treepart = treemod.createtreepackpart(bundlerepo, outgoing,
-                                                  treemod.TREEGROUP_PARTTYPE2)
-            parts.append(treepart)
-
     return parts
 
 def _getbundleroots(oldrepo, bundlerepo, bundlerevs):
@@ -858,7 +848,6 b' def partgen(pushop, bundler):'
         return
 
     pushop.stepsdone.add('changesets')
-    pushop.stepsdone.add('treepack')
     if not pushop.outgoing.missing:
         pushop.ui.status(_('no changes found\n'))
         pushop.cgresult = 0
@@ -953,13 +942,6 b' def processparts(orig, repo, op, unbundl'
 
     handleallparts = repo.ui.configbool('infinitepush', 'storeallparts')
 
-    partforwardingwhitelist = []
-    try:
-        treemfmod = extensions.find('treemanifest')
-        partforwardingwhitelist.append(treemfmod.TREEGROUP_PARTTYPE2)
-    except KeyError:
-        pass
-
     bundler = bundle2.bundle20(repo.ui)
     cgparams = None
     with bundle2.partiterator(repo, op, unbundler) as parts:
@@ -987,7 +969,7 b' def processparts(orig, repo, op, unbundl'
                     op.records.add(scratchbranchparttype + '_skipphaseheads',
                                    True)
             else:
-                if handleallparts or part.type in partforwardingwhitelist:
+                if handleallparts:
                     # Ideally we would not process any parts, and instead just
                     # forward them to the bundle for storage, but since this
                     # differs from previous behavior, we need to put it behind a

hgext/infinitepush/bundleparts.py

@@ -68,19 +68,6 b' def getscratchbranchparts(repo, peer, ou'
         advisoryparams=params.iteritems(),
         data=cg))
 
-    try:
-        treemod = extensions.find('treemanifest')
-        mfnodes = []
-        for node in outgoing.missing:
-            mfnodes.append(('', repo[node].manifestnode()))
-
-        # Only include the tree parts if they all exist
-        if not repo.manifestlog.datastore.getmissing(mfnodes):
-            parts.append(treemod.createtreepackpart(
-                repo, outgoing, treemod.TREEGROUP_PARTTYPE2))
-    except KeyError:
-        pass
-
     return parts
 
 def _validaterevset(repo, revset, bookmark):