Cleanup some dead code and database models

Geekbot.net/Database/Models/GuildsModel.cs

@@ -1,24 +0,0 @@
-using System;
-using System.ComponentModel.DataAnnotations;
-
-namespace Geekbot.net.Database.Models
-{
-    public class GuildsModel
-    {
-        [Key]
-        public int Id { get; set; }
-        
-        [Required]
-        public long GuildId { get; set; }
-        
-        [Required]
-        public string Name { get; set; }
-        
-        [Required]
-        public long Owner { get; set; }
-        
-        public string IconUrl { get; set; }
-        
-        public DateTimeOffset CreatedAt { get; set; }
-    }
-}

Geekbot.net/Database/Models/PollModel.cs

@@ -1,27 +0,0 @@
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-
-namespace Geekbot.net.Database.Models
-{
-    public class PollModel
-    {
-        [Key]
-        public int Id { get; set; }
-        
-        [Required]
-        public long GuildId { get; set; }
-        
-        [Required]
-        public long ChannelId { get; set; }
-        
-        public string Question { get; set; }
-        
-        public long Creator { get; set; }
-        
-        public long MessageId { get; set; }
-
-        public List<PollQuestionModel> Options { get; set; }
-
-        public bool IsFinshed { get; set; }
-    }
-}

Geekbot.net/Database/Models/PollQuestionModel.cs

@@ -1,16 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-
-namespace Geekbot.net.Database.Models
-{
-    public class PollQuestionModel
-    {
-        [Key]
-        public int Id { get; set; }
-        
-        public int OptionId { get; set; }
-        
-        public string OptionText { get; set; }
-        
-        public int Votes { get; set; }
-    }
-}