rewrite: Initial rewrite skeleton.

Remove modules that will no longer be required.
Move pending modules to pending-rewrite folders.

bot/modules/pending-rewrite/guild_admin/reaction_roles/data.py

@@ -0,0 +1,22 @@
+from data import Table, RowTable
+
+
+reaction_role_messages = RowTable(
+    'reaction_role_messages',
+    ('messageid', 'guildid', 'channelid',
+     'enabled',
+     'required_role', 'allow_deselction',
+     'max_obtainable', 'allow_refunds',
+     'event_log'),
+    'messageid'
+)
+
+
+reaction_role_reactions = RowTable(
+    'reaction_role_reactions',
+    ('reactionid', 'messageid', 'roleid', 'emoji_name', 'emoji_id', 'emoji_animated', 'price', 'timeout'),
+    'reactionid'
+)
+
+
+reaction_role_expiring = Table('reaction_role_expiring')