ini: get rid of path 'paster_commands'

We are no longer using 'paster'. The location of the template.ini.make file
is a leftover from old times.

MANIFEST.in

@@ -18,7 +18,6 b' recursive-include docs *'
 recursive-include init.d *
 recursive-include kallithea/alembic *
 include           kallithea/bin/ldap_sync.conf
-include           kallithea/lib/paster_commands/template.ini.mako
 recursive-include kallithea/front-end *
 recursive-include kallithea/i18n *
 recursive-include kallithea/public *

kallithea/lib/inifile.py

@@ -32,7 +32,7 b' log = logging.getLogger(__name__)'
 
 template_file = os.path.join(
     os.path.dirname(os.path.dirname(os.path.dirname(__file__))),
-    'kallithea/lib/paster_commands/template.ini.mako')
+    'kallithea/templates/ini/template.ini.mako')
 
 default_variables = {
     'database_engine': 'sqlite',

scripts/generate-ini.py

@@ -1,6 +1,6 b''
 #!/usr/bin/env python3
 """
-Based on kallithea/lib/paster_commands/template.ini.mako, generate development.ini
+Generate development.ini based on the ini template.
 """
 
 import re