Remove reverse migration for data dir

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/data.py

@@ -77,19 +77,3 @@ def migrate_data_dirs():
 
         if os.path.exists(source) and not os.path.exists(target):
             shutil.copy(source, target)
-
-
-def unmigrate_data_dirs():
-    """
-    Reverses data paths migration.
-    """
-    vcs = data_dir('vcs')
-    if not os.path.exists(appsettings.GIT_ROOT) and os.path.exists(vcs):
-        shutil.move(vcs, appsettings.GIT_ROOT)
-
-    whoosh = data_dir('whoosh')
-    # This one gets autocreated
-    if os.path.exists(appsettings.WHOOSH_INDEX):
-        os.rmdir(appsettings.WHOOSH_INDEX)
-    if os.path.exists(whoosh):
-        shutil.move(whoosh, appsettings.WHOOSH_INDEX)

weblate/trans/migrations/0014_auto_20141202_1101.py

@@ -2,7 +2,7 @@
 from __future__ import unicode_literals
 
 from django.db import migrations
-from weblate.trans.data import migrate_data_dirs, unmigrate_data_dirs
+from weblate.trans.data import migrate_data_dirs
 
 
 class Migration(migrations.Migration):
@@ -14,6 +14,5 @@ class Migration(migrations.Migration):
     operations = [
         migrations.RunPython(
             lambda apps, schema_editor: migrate_data_dirs(),
-            reverse_code=lambda apps, schema_editor: unmigrate_data_dirs(),
         ),
     ]