Clear all reactions support (#136)

* Added delete channels/{channel}/messages/{message}/reactions

* Apply suggestions from code review

Co-Authored-By: LMByrne <11181703+LMByrne@users.noreply.github.com>

* Update client.py

.gitignore

@@ -20,5 +20,8 @@ node_modules/
 # JetBrains IDE
 .idea/
 
+# Visual Studio IDE
+/.vs
+
 # macOS
 .DS_Store

disco/api/client.py

@@ -229,6 +229,9 @@ class APIClient(LoggingClass):
 
         self.http(route, obj)
 
+    def channels_messages_reactions_delete_all(self, channel, message):
+        self.http(Routes.CHANNEL_MESSAGES_REACTIONS_DELETE_ALL, dict(channel=channel, message=message))
+
     def channels_permissions_modify(self, channel, permission, allow, deny, typ, reason=None):
         self.http(Routes.CHANNELS_PERMISSIONS_MODIFY, dict(channel=channel, permission=permission), json={
             'allow': allow,

disco/api/http.py

@@ -48,6 +48,7 @@ class Routes(object):
     CHANNELS_MESSAGES_DELETE_BULK = (HTTPMethod.POST, CHANNELS + '/messages/bulk_delete')
     CHANNELS_MESSAGES_REACTIONS_GET = (HTTPMethod.GET, CHANNELS + '/messages/{message}/reactions/{emoji}')
     CHANNELS_MESSAGES_REACTIONS_CREATE = (HTTPMethod.PUT, CHANNELS + '/messages/{message}/reactions/{emoji}/@me')
+    CHANNELS_MESSAGES_REACTIONS_DELETE_ALL = (HTTPMethod.DELETE, CHANNELS + '/messages/{message}/reactions')
     CHANNELS_MESSAGES_REACTIONS_DELETE_ME = (HTTPMethod.DELETE, CHANNELS + '/messages/{message}/reactions/{emoji}/@me')
     CHANNELS_MESSAGES_REACTIONS_DELETE_USER = (HTTPMethod.DELETE,
                                                CHANNELS + '/messages/{message}/reactions/{emoji}/{user}')

disco/types/message.py

@@ -509,6 +509,15 @@ class Message(SlottedModel):
             emoji,
             user)
 
+    def delete_all_reactions(self):
+        """
+        Deletes all the reactions from a message.
+        """
+        self.client.api.channels_messages_reactions_delete_all(
+            self.channel_id,
+            self.id,
+        )
+
     def is_mentioned(self, entity):
         """
         Returns