Removed custom equalities from cached objects

src/Discord.Net/Models/Channel.cs

@@ -332,11 +332,13 @@ namespace Discord
         public Task<Message> SendMessage(string text)
         {
             if (text == null) throw new ArgumentNullException(nameof(text));
+            if (text == "") throw new ArgumentException("Value cannot be blank", nameof(text));
             return SendMessageInternal(text, false);
         }
         public Task<Message> SendTTSMessage(string text)
         {
             if (text == null) throw new ArgumentNullException(nameof(text));
+            if (text == "") throw new ArgumentException("Value cannot be blank", nameof(text));
             return SendMessageInternal(text, true);
         }
         private async Task<Message> SendMessageInternal(string text, bool isTTS)
@@ -596,8 +598,6 @@ namespace Discord
         }
         #endregion
 
-        public override bool Equals(object obj) => obj is Channel && (obj as Channel).Id == Id;
-        public override int GetHashCode() => unchecked(Id.GetHashCode() + 5658);
         public override string ToString() => Name ?? Id.ToIdString();
     }
 }

src/Discord.Net/Models/Profile.cs

@@ -75,9 +75,6 @@ namespace Discord
             }
         }
 
-        public override bool Equals(object obj) 
-            => (obj is Profile && (obj as Profile).Id == Id) || (obj is User && (obj as User).Id == Id);
-        public override int GetHashCode() => unchecked(Id.GetHashCode() + 2061);
         public override string ToString() => Id.ToIdString();
     }
 }

src/Discord.Net/Models/Role.cs

@@ -117,14 +117,7 @@ namespace Discord
             try { await Client.ClientAPI.Send(new DeleteRoleRequest(Server.Id, Id)).ConfigureAwait(false); }
             catch (HttpException ex) when (ex.StatusCode == HttpStatusCode.NotFound) { }
         }
-
-        public override bool Equals(object obj) => obj is Role && (obj as Role).Id == Id;
-		public override int GetHashCode() => unchecked(Id.GetHashCode() + 6653);
+        
 		public override string ToString() => Name ?? Id.ToIdString();
-
-        internal object Where(Func<object, bool> p)
-        {
-            throw new NotImplementedException();
-        }
     }
 }

src/Discord.Net/Models/Server.cs

@@ -498,9 +498,7 @@ namespace Discord
         public void RequestOfflineUsers()
             => Client.GatewaySocket.SendRequestMembers(Id, "", 0);
         #endregion
-
-        public override bool Equals(object obj) => obj is Server && (obj as Server).Id == Id;
-		public override int GetHashCode() => unchecked(Id.GetHashCode() + 5175);
+        
 		public override string ToString() => Name ?? Id.ToIdString();
 	}
 }

src/Discord.Net/Models/User.cs

@@ -338,8 +338,6 @@ namespace Discord
             => Edit(roles: Roles.Except(roles));
         #endregion
 
-        public override bool Equals(object obj) => obj is User && (obj as User).Id == Id;
-		public override int GetHashCode() => unchecked(Id.GetHashCode() + 7230);
 		public override string ToString() => Name != null ? $"{Name}#{Discriminator}" : Id.ToIdString();
 	}
 }