Simplify Z80 logging a little

EightBit/AbstractLogger.cs

@@ -17,18 +17,6 @@
             set => this._context = value;
         }
 
-        public bool Debugging
-        {
-            get => this.Verbosity > ILogger.LogLevel.Information;
-            set => throw new NotImplementedException("Derived from logging verbosity");
-        }
-
-        public bool Strict
-        {
-            get => this.Debugging;
-            set => throw new NotImplementedException("Derived from logging verbosity");
-        }
-
         public abstract void Log(string context, string message, ILogger.LogLevel level);
     }
 }

EightBit/ILogger.cs

@@ -8,9 +8,9 @@
 
         abstract LogLevel Verbosity { get; set; }
 
-        abstract bool Strict { get; set; }
+        bool Debugging => this.Verbosity > ILogger.LogLevel.Information;
 
-        abstract bool Debugging { get; set; }
+        bool Strict => this.Debugging;
 
         abstract void Log(string context, string message, LogLevel level);