.convert rewritten a bit, isn't saved in the database anymore, but in redis.

NadekoBot.Core/Services/Database/Models/ConvertUnit.cs

@@ -1,47 +0,0 @@
-using System.ComponentModel;
-using System.ComponentModel.DataAnnotations.Schema;
-
-namespace NadekoBot.Core.Services.Database.Models
-{
-    public class ConvertUnit : DbEntity
-    {
-        public ConvertUnit() { }
-        [NotMapped]
-        private string[] _triggersValue;
-        [NotMapped]
-        public string[] Triggers
-        {
-            get
-            {
-                return _triggersValue ?? (_triggersValue = InternalTrigger.Split('|'));
-            }
-            set
-            {
-                _triggersValue = value;
-                InternalTrigger = string.Join("|", _triggersValue);
-            }
-        }
-        //protected or private?
-        /// <summary>
-        /// DO NOT CALL THIS
-        /// </summary>
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        public string InternalTrigger { get; set; }
-        public string UnitType { get; set; }
-        public decimal Modifier { get; set; }
-
-        public override bool Equals(object obj)
-        {
-            var cu = obj as ConvertUnit;
-            if (cu == null)
-                return false;
-            return cu.UnitType == this.UnitType;
-        }
-
-        public override int GetHashCode()
-        {
-            return this.UnitType.GetHashCode();
-        }
-    }
-
-}