Remove userbot functionality

This has a lot of legacy and cruft so there may be some stuff I've
missed but this first pass is enough to get a clear separation.

discord/__init__.py

@@ -22,19 +22,17 @@
 
 from .client import Client
 from .appinfo import AppInfo
-from .user import User, ClientUser, Profile
+from .user import User, ClientUser
 from .emoji import Emoji
 from .partial_emoji import PartialEmoji
 from .activity import *
 from .channel import *
 from .guild import Guild
 from .flags import *
-from .relationship import Relationship
 from .member import Member, VoiceState
 from .message import *
 from .asset import Asset
 from .errors import *
-from .calls import CallMessage, GroupCall
 from .permissions import Permissions, PermissionOverwrite
 from .role import Role, RoleTags
 from .file import File

discord/channel.py

@@ -311,10 +311,6 @@ async def purge(self, *, limit=100, check=None, before=None, after=None, around=
         account). The :attr:`~Permissions.read_message_history` permission is
         also needed to retrieve message history.
 
-        Internally, this employs a different number of strategies depending
-        on the conditions met such as if a bulk delete is possible or if
-        the account is a user bot or not.
-
         Examples
         ---------
 
@@ -345,8 +341,7 @@ def is_me(m):
         bulk: :class:`bool`
             If ``True``, use bulk delete. Setting this to ``False`` is useful for mass-deleting
             a bot's own messages without :attr:`Permissions.manage_messages`. When ``True``, will
-            fall back to single delete if current account is a user bot (now deprecated), or if messages are
-            older than two weeks.
+            fall back to single delete if messages are older than two weeks.
 
         Raises
         -------
@@ -369,7 +364,7 @@ def is_me(m):
         count = 0
 
         minimum_time = int((time.time() - 14 * 24 * 60 * 60) * 1000.0 - 1420070400000) << 22
-        strategy = self.delete_messages if self._state.is_bot and bulk else _single_delete_strategy
+        strategy = self.delete_messages if bulk else _single_delete_strategy
 
         while True:
             try:
@@ -1442,95 +1437,6 @@ def permissions_for(self, user):
 
         return base
 
-    @utils.deprecated()
-    async def add_recipients(self, *recipients):
-        r"""|coro|
-
-        Adds recipients to this group.
-
-        A group can only have a maximum of 10 members.
-        Attempting to add more ends up in an exception. To
-        add a recipient to the group, you must have a relationship
-        with the user of type :attr:`RelationshipType.friend`.
-
-        .. deprecated:: 1.7
-
-        Parameters
-        -----------
-        \*recipients: :class:`User`
-            An argument list of users to add to this group.
-
-        Raises
-        -------
-        HTTPException
-            Adding a recipient to this group failed.
-        """
-
-        # TODO: wait for the corresponding WS event
-
-        req = self._state.http.add_group_recipient
-        for recipient in recipients:
-            await req(self.id, recipient.id)
-
-    @utils.deprecated()
-    async def remove_recipients(self, *recipients):
-        r"""|coro|
-
-        Removes recipients from this group.
-
-        .. deprecated:: 1.7
-
-        Parameters
-        -----------
-        \*recipients: :class:`User`
-            An argument list of users to remove from this group.
-
-        Raises
-        -------
-        HTTPException
-            Removing a recipient from this group failed.
-        """
-
-        # TODO: wait for the corresponding WS event
-
-        req = self._state.http.remove_group_recipient
-        for recipient in recipients:
-            await req(self.id, recipient.id)
-
-    @utils.deprecated()
-    async def edit(self, **fields):
-        """|coro|
-
-        Edits the group.
-
-        .. deprecated:: 1.7
-
-        Parameters
-        -----------
-        name: Optional[:class:`str`]
-            The new name to change the group to.
-            Could be ``None`` to remove the name.
-        icon: Optional[:class:`bytes`]
-            A :term:`py:bytes-like object` representing the new icon.
-            Could be ``None`` to remove the icon.
-
-        Raises
-        -------
-        HTTPException
-            Editing the group failed.
-        """
-
-        try:
-            icon_bytes = fields['icon']
-        except KeyError:
-            pass
-        else:
-            if icon_bytes is not None:
-                fields['icon'] = utils._bytes_to_base64_data(icon_bytes)
-
-        data = await self._state.http.edit_group(self.id, **fields)
-        self._update_group(data)
-
     async def leave(self):
         """|coro|